look up any word, like ac slatering:
An asshole who continuously labels people, regardless of if they actually are that label or not.
"You don't believe in god, therefore you're an atheist"

"Not true, you are a Labelist".
by Not a Labelist December 23, 2011
Someone who labels anyone and anything in an effort to avoid

explaining the reasoning* behind a conclusion they have espoused.

* because there is none
Doug is such a labelist! If someone disagrees with him he just calls them a "crazy liberal"!
by Dr. IV January 01, 2013