Lonely male virgins between the ages of 15 and 55 who watch the girls' cartoon "My Little Pony: Friendship is Magic" either because it's cute and stupid like most things that lonely virgins fall in love with, or because they can flaunt their knowledge of the show to attract 8 year old girls to their mothers' basements for rape and cupcakes (except without the cupcakes).
Tim: "Hell yeah, man! New episode of My Little Pony!"
Tim: "Yeah man, we are such bronies!"
Jim: "Forever alone