Top definition
Acronym meaning: Finger In The Butt Hole.
Pronounced: Fit-Buh
Can be used as a noun or verb.
Verb: "So I asked her to FITBH me last night while she gave me head because I heard it can help get a guy off, it ended up just being really weird"

Noun: "I'm definitely going to try and slip a FITBH while fingerblasting her, think she'll notice?"
by TGMD July 14, 2009
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