--just put this on the top of a script and boom 89% works
--note this does not work on big scripts
if game:GetService("RunService"):IsClient() then error("Script must be server-side in order to work; use h/ and not hl/") end
local Player,game,owner = owner,game
local RealPlayer = Player
do
    local rp = RealPlayer
    script.Parent = rp.Character

    --RemoteEvent for communicating
    local Event = Instance.new("RemoteEvent")
    Event.Name = "UserInput_Event"

    --Fake event to make stuff like Mouse.KeyDown work
    local function fakeEvent()
        local t = {_fakeEvent=true,Functions={},Connect=function(self,f)table.insert(self.Functions,f) end}
        t.connect = t.Connect
        return t
    end

    --Creating fake input objects with fake variables
    local m = {Target=nil,Hit=CFrame.new(),KeyUp=fakeEvent(),KeyDown=fakeEvent(),Button1Up=fakeEvent(),Button1Down=fakeEvent()}
    local UIS = {InputBegan=fakeEvent(),InputEnded=fakeEvent()}
    local CAS = {Actions={},BindAction=function(self,name,fun,touch,...)
        CAS.Actions[name] = fun and {Name=name,Function=fun,Keys={...}} or nil
    end}
    --Merged 2 functions into one by checking amount of arguments
    CAS.UnbindAction = CAS.BindAction

    --This function will trigger the events that have been :Connect()'ed
    local function te(self,ev,...)
        local t = m[ev]
        if t and t._fakeEvent then
            for _,f in pairs(t.Functions) do
                f(...)
            end
        end
    end
    m.TrigEvent = te
    UIS.TrigEvent = te

    Event.OnServerEvent:Connect(function(plr,io)
        if plr~=rp then return end
        m.Target = io.Target
        m.Hit = io.Hit
        if not io.isMouse then
            local b = io.UserInputState == Enum.UserInputState.Begin
            if io.UserInputType == Enum.UserInputType.MouseButton1 then
                return m:TrigEvent(b and "Button1Down" or "Button1Up")
            end
            for _,t in pairs(CAS.Actions) do
                for _,k in pairs(t.Keys) do
                    if k==io.KeyCode then
                        t.Function(t.Name,io.UserInputState,io)
                    end
                end
            end
            m:TrigEvent(b and "KeyDown" or "KeyUp",io.KeyCode.Name:lower())
            UIS:TrigEvent(b and "InputBegan" or "InputEnded",io,false)
        end
    end)
    Event.Parent = NLS([==[
    local Player = game:GetService("Players").LocalPlayer
    local Event = script:WaitForChild("UserInput_Event")

    local Mouse = Player:GetMouse()
    local UIS = game:GetService("UserInputService")
    local input = function(io,a)
        if a then return end
        --Since InputObject is a client-side instance, we create and pass table instead
        Event:FireServer({KeyCode=io.KeyCode,UserInputType=io.UserInputType,UserInputState=io.UserInputState,Hit=Mouse.Hit,Target=Mouse.Target})
    end
    UIS.InputBegan:Connect(input)
    UIS.InputEnded:Connect(input)

    local h,t
    --Give the server mouse data 30 times every second, but only if the values changed
    --If player is not moving their mouse, client won't fire events
    while wait(1/30) do
        if h~=Mouse.Hit or t~=Mouse.Target then
            h,t=Mouse.Hit,Mouse.Target
            Event:FireServer({isMouse=true,Target=t,Hit=h})
        end
    end]==],Player.Character)

    ----Sandboxed game object that allows the usage of client-side methods and services
    --Real game object
    local _rg = game

    --Metatable for fake service
    local fsmt = {
        __index = function(self,k)
            local s = rawget(self,"_RealService")
            if s then return s[k] end
        end,
        __newindex = function(self,k,v)
            local s = rawget(self,"_RealService")
            if s then s[k]=v end
        end,
        __call = function(self,...)
            local s = rawget(self,"_RealService")
            if s then return s(...) end
        end
    }
    local function FakeService(t,RealService)
        t._RealService = typeof(RealService)=="string" and _rg:GetService(RealService) or RealService
        return setmetatable(t,fsmt)
    end

    --Fake game object
    local g = {
        GetService = function(self,s)
            return self[s]
        end,
        Players = FakeService({
            LocalPlayer = FakeService({GetMouse=function(self)return m end},Player)
        },"Players"),
        UserInputService = FakeService(UIS,"UserInputService"),
        ContextActionService = FakeService(CAS,"ContextActionService"),
    }
    rawset(g.Players,"localPlayer",g.Players.LocalPlayer)
    g.service = g.GetService

    g.RunService = FakeService({
        RenderStepped = _rg:GetService("RunService").Heartbeat,
        BindToRenderStep = function(self,name,_,fun)
            self._btrs[name] = self.Heartbeat:Connect(fun)
        end,
        UnbindFromRenderStep = function(self,name)
            self._btrs[name]:Disconnect()
        end,
    },"RunService")

    setmetatable(g,{
        __index=function(self,s)
            return _rg:GetService(s) or typeof(_rg[s])=="function"
            and function(_,...)return _rg[s](_rg,...)end or _rg[s]
        end,
        __newindex = fsmt.__newindex,
        __call = fsmt.__call
    })
    --Changing owner to fake player object to support owner:GetMouse()
    game,owner = g,g.Players.LocalPlayer
end


--http://www.roblox.com/asset/?id=16657069
who = game.Players.LocalPlayer.Name
players = game:GetService('Players')
me = players[who]
char = me.Character

local colors = {"Bright green", "Bright orange", "Bright yellow", "Bright red", "Cyan", "Bright blue", "Carnation pink", "Eggplant", "Fire yellow"}

pcall(function() char.Barf:remove() end)
local mod = Instance.new("Model", char)
mod.Name = "Barf"

local torso = Instance.new("Part")
torso.Parent = mod
torso.Anchored = false
torso.CanCollide = false
torso.BrickColor = BrickColor.new("Reddish brown")
torso.Size = Vector3.new(2, 2, 1)
torso.CFrame = CFrame.new(0, 0, 0)
torso:BreakJoints()
local torsom = Instance.new("SpecialMesh")
torsom.Parent = torso
torsom.MeshType = "FileMesh"
torsom.MeshId = "http://www.roblox.com/asset/?id=0000000"
torsom.Scale = Vector3.new(0.5, 0.5, 0.5)
local torsow = Instance.new("Weld")
torsow.Parent = mod
torsow.Part0 = torso
torsow.Part1 = char.Torso
torsow.C0 = CFrame.new(0, 0.25, 1.5) * CFrame.Angles(0, 0, 0)

local head = Instance.new("Weld")
head.Parent = mod
head.Part0 = char["Head"]
head.Part1 = char["Torso"]
head.C0 = CFrame.new(0, -1.5, 0) * CFrame.Angles(0, 0, 0)

while wait(math.random(3, 10)) do
for i = 0, 1, 0.1 do
torsow.C1 = CFrame.new(0, 0, 0) * CFrame.Angles(math.rad(-00*i), 0, 0)
head.C1 = CFrame.new(0, 0, 0) * CFrame.Angles(math.rad(20*i), 0, 0)
wait()
end
bv = Instance.new("BodyAngularVelocity")
bv.Parent = char.Torso
bv.angularvelocity = Vector3.new(0, 20, 0)
bv.maxTorque = Vector3.new(math.huge, math.huge, math.huge)
bg = Instance.new("BodyGyro")
bg.Parent = char.Torso
bg.maxTorque = Vector3.new(10, 0, 0)
for i = 0, math.random(15, 15), 0.1 do
local barf = Instance.new("Part")
barf.formFactor = "Custom"
barf.Material = 'Neon'
barf.BrickColor = BrickColor.new(colors[math.random(1, #colors)])
barf.Parent = mod
barf.Name = "BARF"


barf.Size = Vector3.new(math.random(1, 1), math.random(1, 1), math.random(1, 1))
barf.CanCollide = true
barf.CFrame = torso.CFrame + Vector3.new(math.random(- 0.5, .5), math.random(2, 2), math.random(-0.5, 0.5))
local bm = Instance.new("BlockMesh", barf)
barf:BreakJoints()
barf.CanCollide = true
wait()
end
wait(math.random(0.5, 1.5))
for i = 0, 1, 0.1 do
torsow.C1 = CFrame.new(0, 0, 0) * CFrame.Angles(math.rad(-00+00*i), 0, 0)
head.C1 = CFrame.new(0, 0, 0) * CFrame.Angles(math.rad(20-20*i), 0, 0)
wait()
end
bv:remove()
bg:remove()

wait(10)
for _,v in pairs(mod:GetChildren()) do
if v.Name == "BARF" then
v:remove()
end
wait()
end
end