1 definition by SteffenDwarf

Top Definition
1. The act of having sexual intercourse with someone in the bum.

2. The act of owning someone really badly.

Steve- O man, im gonna Bum Fuck lauren 2nite, its gonna be sweet!!1!1111

George- kk lolzz

Steve- im gonna play ranbow six 2nite, im gonna Bum Fuck lauren1!11

George- kk lolzzz
by SteffenDwarf January 23, 2007

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