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4.
when someone begins to flip out and yell swears, including fuck.
Tammy: I jumped out from behind a wall and he started freaking out and swearing! It was hilarious!

Lauren: Wow. What a flipfuck.
by laurene716 June 02, 2011
 
1.
To alternate having the active role when two gays are having anal sex.
Bob and Ted flip fucked all night long; every time one got close to cumming they changed positions and the other took his turn.
by dcnutzball December 19, 2005
 
2.
When two gay males take turns being the top in anal sex in one session.
He was always down to flipfuck, until one of us came, or we ran out of condoms.
by Gearge August 22, 2007
 
3.
(v). contemporary
1. exertion or effort directed at taking turn penetrating one's partner as part of a sexual activity.
2. something on which exertion or labor is expended to achieve mutual penetration, in turn.
3. to move in agitation, usually under strong emotion, in order to penetrate one's partner, and switch position under emotional agitation in order to be penetrated.
4. to take turn fucking each other (implying both partners have the apparatus to achieve the objective intended).
I had a blast in college where my roommate and I would flip fuck doggy style or missionary whenever we could.
by clinton_the March 21, 2011