(idiomatic, sometimes euphemistic for improper behavior) Anything, including measures which may be extreme or wrongful, that is required to achieve an objective.

(US, emphatic) Used to respond affirmatively and aggressively to a challenge by issuing one in return.

(intransitive, informal) To give one's all in a particular effort; to perform admirably or forcefully.

(usually followed by for) To welcome onto a stage by cheering or applauding.

(idiomatic) shove it up your ass (up yours) or back off. / Used other than figuratively or idiomatically: see sit on, sit, on, it.

(colloquial, Southern California) A temporary worker, particularly for exhausting manual labor. / (US) One who maintains no permanent residence, one who is homeless

(idiomatic) To be severely reprimanded, punished, or beaten. / Used other than figuratively or idiomatically: see catch, it.

(idiomatic) To engage intensely in pleasure-seeking activities

(idiomatic) An independent existence with some characteristics of life.

(idiomatic) Used to express unconcern.