(Australia, New Zealand, games) A game of chance, played by betting on the outcome of two pennies thrown in the air.

(of a printed document) Having two document pages per printed page.

(manner, of travel on a motorcycle) With two people aboard.

plural of two-up-two-down

(UK) A traditional house with two rooms upstairs and two rooms downstairs.

A coded warning among shopkeepers that a potential shoplifter must be watched.