noun
Any of several species of horse-like animals, especially Equus asinus, the domesticated of which are used as beasts of burden.
(often vulgar through confusion with other word) A stupid or jerky (inconsiderate, etc) person.
(printing, slang, obsolete) A compositor.
noun
(countable and uncountable) The buttocks.
(countable and uncountable) The anus.
(synecdochically, uncountable) Sex; a person to have sex with; with vulgar emphasis on their corporeality (their body) over their personhood.
(uncountable) Used in similes to express something bad or unpleasant.
(synecdochically, countable) A person; the self; (reflexively) oneself or one's person, chiefly their body. By extension, one's personal safety, or figuratively one's job, prospects, etc.
adjective
(vulgar, slang, Canada, US) Of low quality; bad.
particle
Synonym of -ass (used to intensify an adjective).