diff --git a/roundabout/github/client.py b/roundabout/github/client.py
    index f2e49c9..487147f 100644
    --- a/roundabout/github/client.py
    +++ b/roundabout/github/client.py
    @@ -82,12 +82,13 @@ class PullRequest(object):
         """ A github pull request """

         def __init__(self, client, pull_request, lgtm_text, username=None,
    -                 password=None):
    +                 password=None, rejection_token='rejecting'):
             """ Take a pull_request dict from github, and builds a PullRequest """

             self.__dict__ = pull_request
             self.client = client
    -        self.lgtm_text = lgtm_text
    +        self.lgtm_text = lgtm_text.lower()
    +        self.rejection_token = rejection_token.lower()
             self.username = username
             self.password = password

    @@ -131,23 +132,14 @@ class PullRequest(object):
             "lgtmed" the request. Returns true if so, None otherwise.
             """

    -        lgtm_re = re.compile("^%s$" % re.escape(self.lgtm_text), re.I)
    -        rejected_re = re.compile("rejecting")
    -
    -        lgtms = []
    -        rejected = [c for c
    -                      in self.discussion
    -                      if rejected_re.search(c.get('body', ''))]
    -
    -        for comment in self.discussion:
    -            try:
    -                if comment['user']['login'] in approvers and \
    -                   lgtm_re.match(comment.get('body', "")):
    -                    lgtms.append(comment)
    -            except TypeError:
    -                continue
    -
    -        return len(rejected) < len(lgtms)
    +        rejection_cnt, lgtm_cnt = 0, 0
    +        for c in self.discussion:
    +            body = c.get('body', '').lower()
    +            if self.rejection_token in body:
    +                rejection_cnt += 1
    +            elif c['user']['login'] in approvers and body == self.lgtm_text:
    +                lgtm_cnt += 1
    +        return rejection_cnt < lgtm_cnt

         def __get_full_request(self):
             """