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An aggressive style of skateboarding.
"What do you thrash?" she says.

"What do you got?" he says.
by Richard Halsted August 04, 2005
It's when you dump a chick you scored to a party.
by KHDT October 06, 2010
Rail enthusiasts use this term to describe locomotive engine noise. "Thrash" is greatly appreciated - the louder the better, and this is why enthusiasts often risk life and limb by sticking their heads out the windows of trains to sample it.
The thrash from that Class 37 pulling out of Wolverhampton was hellfire!
by Splee August 19, 2004
thrash:to have sex..fuck..
Damn Dude..you see Ol girl over there?..i would thrash!!!
by Lycan89 March 14, 2010
v The act of skateboarding aggressively; Skateboarding in a manner of dopeness
Josh Kalis will thrash everytime he hits a ledge.
by Nate Murphy September 13, 2003
Working on the drag car, Wrenching !!
"It is all about the thrash", and the thrash was officially on. Out to the garage, refreshing adult beverages in hand and a spring in my step. I sez to my gal, "Pinky, gonna be busy for a while."
by Augusto December 02, 2007
To kick someones ass.
"I fully thrashed him. He spent a week in hospital."
"Middlesbrough thrashed Manchester by 3 goals."
by Diego September 09, 2003