US standard spelling of give a rat's arse.

Used other than figuratively or idiomatically: see lick, someone, ass. / (idiomatic, vulgar) To flatter someone (especially a superior) in an obsequious manner, and to support their every opinion.

(idiomatic, slang) To flatter someone (especially a superior) in an obsequious manner, and to support their every opinion to gain their favor.

present participle of give a rat's ass

simple past tense of give a rat's ass

Third-person singular simple present indicative form of give a rat's ass

past participle of give a rat's ass

(US, slang) One is doomed (used as a threat).

(US, slang, vulgar) Extremely tight (in various senses: secure, stingy, etc.).

(Canada, US, slang) Buttocks that have various depressions or impressions on them; imperfectly smooth buttocks.