adjective: often representing the excitement, euphoria, and adrenaline one experiences riding a fixed gear bicycle on the road after they see an intensely congested street of automobiles, buses, other cyclists, etc.

Holy shit, did you see the cars on Culver Drive?

Naw, why?

I posted up and mashed through them!
by HED3 February 11, 2009
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adj. to be drunk on alcohol and stoned on marijuana (cannabis) at the same instant
he got mashed, was playin xbox last nite wiv the lads, then terry brought a few eighths round and it all went a bit wheeee!
by tiesto August 15, 2004
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I drew for da mash and riddled dem bwoys car wid bullets
by Caruthers July 17, 2005
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Make out

Used extensively at University of Illinois and probably other college campuses.
by illini33 June 22, 2004
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The act of a bird fluffing it's feathers in a dog-like shake.
"Did you see that budgie? He just mashed!"

"That eagle did a good mash just now."
by Derbyshire Linguist September 3, 2022
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