An online genderless Twitter personality famous for their off-the-wall banter and good will.
Did you favorite @Biff_1ras most recent tweet? They are hilarious!
by Firegurl May 27, 2015
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a womans naughty area aka pussy, fanny and so on
To girl: Show us ya biff!!!

Dude i slip her one in the biff last nite
by Gibb, The one and only November 11, 2006
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Just another word for a nasty rip-roaring good old fashioned fart.
Dude, did you just biff in my car?!
by The Biffmaster May 14, 2012
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A word short for "Bitch-face." Usually used when someone is being whiny or just plain dumb.
Man, Trey was being such a Biff when he kept complaining about not getting a bed to himself at the hotel.
by LassJessie September 09, 2012
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