(idiomatic, euphemistic, colloquial) To perform oral sex upon (a person of either sex).

Used other than figuratively or idiomatically: see go, down. / (intransitive, of a heavenly body) Synonym of set, to disappear below the horizon.

(idiomatic, slang) To become completely irrational; to react in an irrationally extreme manner.

(card games) A children's card game in which players ask each other for cards of a particular rank, requiring them to "fish" in a pool of additional cards if they do not have the requested card.

(dismissal) Command encouraging someone to leave.

To depart or leave a place. / To travel somewhere, especially on holiday or vacation. / To vanish or disappear.

(idiomatic) To be sold at a very low price.

(intransitive, chiefly US, informal) To become aggressive and erratic, especially due to stress; specifically, to carry out a shooting spree at a workplace environment; also (more generally) to become very angry; to lose one's temper.

(idiomatic) To proceed enthusiastically, vigorously, or expertly.

(idiomatic) To worsen or degenerate.