(slang, Britain, New Zealand, Australia) A secondary lover, a mistress.

(chiefly imperative) To clap; to applaud.

To remove one's hat as a sign of respect to. / (idiomatic) To praise or thank; to congratulate.

Used other than figuratively or idiomatically: see on, run. / (idiomatic) Fleeing. / (idiomatic) At a disadvantage; forced to abandon a position.

(philately, overprint on British Empire stamps) On Her (or His) Majesty's Service.

The start of the twenty-second hour of the day on the 24-hour clock i.e. 21:00. / The number two thousand one hundred. / The year 2100.

Of or pertaining to a specific time in the past. / Occurring or used in a single instance and then never again.

(soccer, ice hockey) To shoot (the ball or puck) directly from a teammate's pass.

(US, slang) The police.

correct; accurate; absolutely right / excellent