Top Definition
Quif my flaps off (Kweef-my-flaps-off). The act of Quifing soo hard that your labia blows out irreparably. To be used in place of LMFAO (Laugh my fucking arse off).
Joel: Can you believe that JB Hi Fi has a 50% off sale today!

Scotty: Well QMFO!!! I'm so there

Joel: I was soo drunk i ended up shagging some desperate in the toilet cubicle and got caught!

Scotty: QMFO!!!! Thats Awesome!
by QQASSEQ March 20, 2010
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