BBT (bum before tup) - A sexual activity in which a person receives anal penetration before vaginal. Often going in dry
BBT (bum before tup) - A sexual activity in which a person receives anal penetration before vaginal. Often going in dryFor example...

Woman: Jesus I was so drunk last night I ended up getting some bbt

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Virgin: I had no idea what was going on, had it in my bum before tup
by Dingythemanwithapartyhat January 4, 2016
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