Any of several species of horse-like animals, especially Equus asinus, the domesticated of which are used as beasts of burden.

(slang, mildly vulgar) A stupid person.

(vulgar, slang, countable and uncountable) The buttocks.

(vulgar, slang, countable and uncountable) The anus.

(vulgar, slang, objectifying, uncountable) Sex; a person to have sex with; with vulgar emphasis on their corporeality (their body) over their personhood.

(vulgar, slang, uncountable) Used in similes to express something bad or unpleasant.

(vulgar, slang, metonymically, objectifying, countable) A person; the self; oneself or one's person, chiefly their body. By extension, one's personal safety, or figuratively one's job, prospects, etc.

(vulgar, slang) Of low quality; bad.

Synonym of -ass (“used to intensify an adjective”)