Seriously drunk, or high on drugs to an extreme point
"I'm mashed off me face."
by Mad Walrus August 04, 2002
completely out of it, after excess alcohol or marijuana.
shit man, i was complete mashed last night..
by richard January 25, 2004
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 14, 2004
Inebriated by any form of drug that inhibits a 'normal' type of human perception.
I don't think I'll drive tonight, I'm too mashed.
by Julian Farrelly November 13, 2006
Term Expressed When Someone Is Under the Influence of Drugs And Alcohol And Is Incredibly Out Of It.
"Crazy Night Last Night, I Got So Mashed"
by PikeyHoedown June 09, 2009
where a fat bitch gets screwed so hard the fat creases on her ass get a rash
fuck me she got mashed
by the creator of words December 05, 2010