(idiomatic) To quit; to give up.

(law) A party who appeals the decision of a lower court.

Support; agreement; blessing (in a secular sense). / (poker) A tournament where a player must purchase all of his or her chips before the tournament starts. / (poker) The amount that a player buys in for

(informal) In a situation of being the object of someone's anger or disapproval, especially one's spouse.

something suggestive of general welfare or prosperity

(idiomatic, hyperbolic) Something very valuable or priceless.

(US, idiomatic, informal) Synonym of ace up one's sleeve

(US, idiomatic) To exert effective effort; to get going; to get moving; to start producing.

(intransitive) To enter a place by force or illicit means. / (transitive, idiomatic) To cause (something, or someone, new) to function more naturally through use or wear

(idiomatic) right now, or in the near and foreseeable future