(idiomatic, intransitive) To form (sides or teams), usually for a game, by having two individual players choose their teammates.

(intransitive) To choose selectively or fastidiously.

Third-person singular simple present indicative form of choose up

(game theory) Synonym of divide and choose

(game theory) a procedure for envy-free fair cake-cutting in which one person divides a heterogeneous resource in two and the other person chooses one of those two

Used other than figuratively or idiomatically: see choose, sides. / To divide a group into teams for a game or sport.

Third-person singular simple present indicative form of pick and choose

Alternative form of pick one's battles

Synonym of back the wrong horse

(idiomatic, slang, often imperative) To select something as one's preferred choice from a set of related things, people etc.