When someone covertly questions your sexuality in a round about way as to avoid suspicion.
Girlfriend to boyfriend: Babe I was just wondering ... if you could have a three way with any other dude who would it be?

Boyfriend: I don't know...Brad Pitt?

Girlfriend: I knew it!!!

Boyfriend: I can't believe you just did a fag check
by Bucktavius June 9, 2017
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Just some faggy wordplay on fact-checking.
Someone will try to fag-check me into oblivion. But I'm prepared, because I'm going to delete my comment.
by felixh June 20, 2016
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When someone covertly questions your sexuality in a round about way as to avoid suspicion.
Girlfriend to boyfriend: Babe I was just wondering ... if you could have a three way with any other dude who would it be?

Boyfriend: I don't know...Brad Pitt?

Girlfriend: I knew it!!!

Boyfriend: I can't believe you just did a fag check
by Bucktavius June 9, 2017
Get the Fag check mug.