Anyone who watches My Little Pony.
Jack: Have you seen the new MLP episode?
Jill: What?! No! That show is for 6 year old girls and you're a 14 year old boy. Stupid ponyfag.
Jack: Well, there goes my chances of getting laid.
Jill: What?! No! That show is for 6 year old girls and you're a 14 year old boy. Stupid ponyfag.
Jack: Well, there goes my chances of getting laid.
by Douchebag82 October 15, 2011
n. A person who dedicates their life to to the television show My Little Pony: Friendship is Magic. Not to be confused with brony or horsefucker.
Ponyfag: I HAZ ALL THE SHOW STUFF AND EVERY SHIRT.
Brony: Dude, there's a fine line between 'liking' and 'obsessing'. You've crossed it.
Brony: Dude, there's a fine line between 'liking' and 'obsessing'. You've crossed it.
by wvFailBombOmegavw June 22, 2012
by The Big Hado January 5, 2012