Iro Hasu Hasu

# UzaNeru

A nickname for Sakura Ayane, Iroha's voice actress.
It's formed from uzai (annoying) and ayaneru (another of her nicknames).

# No Gauge 100% Kill Combo

In fighting games, there is often a special gauge that fills up as the fight goes on that allows characters to use their special moves.
A "no gauge 100% kill combo" is a combo that allows a character to finish off an opponent in a single combo even if it started with that special gauge empty.

# KanColle

Short for Kantai Collection, a browser game.

# Haa-haa

Translated from hasu-hasu.
Onomatopoeia for smelling / sniffing.
While the meaning is preserved, hasu is also in Iroha's nickname of irohasu.

# Yakitori

Grilled chicken, usually skewered.

# Nom-nom / Mhm-mhm / Ngh-ngh

Onomatopoeia for fellatio. Or close enough to that.
Originally paku-paku, mogu-mogu, and ngu-ngu.

# DereMas

Short for the Idolmaster Cinderella Girls.

# TakeuchiP

The producer in DereMas. While he is unnamed, this namesake is from his voice actor, Takeuchi Shunsuke.

# iM@S

Short for The iDOLM@STER.

# Tsurime / Tarime

Styles of drawing eyes.
Tsurime is when the corners slant up to look stronger.
Tareme is when the corners droop to look weaker.

# fuhihifokanupu

"stereotypical otaku laughter".
I don't quite get it either, but that's what it is.