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1.
The act of having more sex than somebody else is having.
"Wow I can't believe I just caught my pet rabbits having sex on my bed AGAIN." They're outfucking me in my own home!
by cont78 January 01, 2010
 
2.
to person to out do one's partner during sex in such a way that it seems like rape.
Linda: Hey Becky did u see Max today
Becky: Yeah He Was So Hot
Linda:I wish i was his girlfriend
Becky:Why?
Linda: So I Could Outfuck the hell out of him
by stevirus1608 September 25, 2010