foolishness; idiocy

A male donkey. / (chiefly US) A foolish or stupid person. / (chiefly US) An inappropriately rude or obnoxious person. / (US, slang, uncountable) A kind of bootleg liquor.

(rare, intransitive) To behave very obnoxiously.

(poker slang) A jack and an ace as a starting hand in Texas hold 'em.

plural of jackass

present participle of jackass

(vulgar) Of, pertaining to, or being a jackass.

simple past tense and past participle of jackass

Foolish behaviour; stupidity.

(Australia, obsolete) The laughing kookaburra, Dacelo novaeguineae.