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2.
To get absolutely wasted from excessive amounts of alcohol.
Dude: Right its friday night and i'm off out to get rat assed tonight.
by Mercifull March 04, 2005
 
1.
To get absolutely wasted from excessive amounts of alcohol.
Dude: Right its friday night and i'm off out to get rat assed tonight.
by Mercifull March 04, 2005
 
3.
To be completely drunk , stonned or otherwise incapable.
Last night i was completely rat-assed.
by zoso May 17, 2005