1. Sound effect, like the sound you get when you've just been tackled by a rugby girl

2. To get smacked or destroyed by something/ someone
1. They ran into each other and... "LaBuff!"

2. I just got LaBuffed by that test, man.
by jhywwwo May 23, 2011
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shia labouffe has a nice but hence shia la-buff butt.
"hey that guy is such a shia labuff butt!"
by ublec September 2, 2008
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