Top definition
to fall down in a spectacularly embarassing manner
whoa, you biff it like, twice a day on those stairs
by ipodgurl January 02, 2008
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2
To completely fuck up some life decision so bad, it fucks up the lives of those around you. Also describes any situation in which you fuck something up that most people do not. Can be used to describe any course of action you take that most functioning adults look at as tremendously stupid. #biffon #biffit #fuckit #cantadultforshit #biffon
"Dude, everyone knows that you have to pay the fucking water company to continue to get water service, but you know what, biff on!"

"Dude, I really biffed it. I knew I should have pulled out of that skank!"

"Dude, you keep biffin it, and everyone is going to know we are high as giraffe balls."

"You know what dude, I don't even like this restaurant, go ahead and urinate on the floor. Fuck it, biff it!"
by Ice_Ice_PayMe March 19, 2017
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