An anime boy simp is someone who is a person who simps and has feeling for this thing called an “anime boy” they feel love towards this “unreal male” who will never exist.
“Have you heardKelly turned into an anime boy simp?”
“Jesus that girl has no life”
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi