(idiomatic) Expresses support, agreement, certainty or emphasis. / (idiomatic, informal) Certainly, you're welcome; a reply to thank you or to a request.

An assumption that is likely to be true.

A bet in which no money is bet; only the honor of the two parties is at stake. There is no need for proof that one party's side of the bet has been fulfilled; he or she is taken at their word.

(US) A wager between two people (especially children) that involves no money, but in which the winner is allowed to slap the loser as hard as they can.

(poker) A bet placed with the intention of being called in order to extract more money from a likely worse hand.

(poker) To bet with the intention of being called in order to extract more money from a likely worse hand.

(poker) A bet made in a round of betting, after raising in the previous round of betting, usually with a weak hand.

(poker) To make a continuation bet.

(idiomatic) To be absolutely certain, to have no doubts. / To make a substantial wager or risk.

(idiomatic) The best proposal or plan.