To be completely drunk , stonned or otherwise incapable.
Last night i was completely rat-assed.
by zoso May 17, 2005
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Zao: Can I have some gravy?
Peng: Certainly.
Peng: Could you pass the rat's ass please...
Chung: There you go.
by lexicon December 18, 2004
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Used when one is a bridesmaid at ones wedding it is used as a nickname for the most popular girl.
Hey rat ass can you find me the drinks
by Captain dictionary May 23, 2021
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