(idiomatic, vulgar) either do it, or let other people do it

heads or tails (flipping a coin in order to choose between two alternatives)

plural of cara ou coroa

more or less; approximately; give or take

trick or treat (extortion used by children during Halloween)

(games) truth or dare (game where players perform a dare or answer a question)

Alternative form of ou oito, ou oitenta

(idiomatic) one or another (a very small subset)

a children's game in which three or more players use handshapes at the same time — each player showing one or two fingers —, for the purpose of singling out the one with a different handshape or separating the players into two groups with equal handshapes

a variant of the children's game of dois ou um in which the handshapes used are either 0 (closed hand) or 1 (index finger extended)