(idiomatic, sports) To preserve a lead in a game by retaining possession, to waste time.

To outperform by a great margin.

To engage in the practice – usually by coaching decision – of scoring more points than needed in a one-sided contest.

(idiomatic) To run out of energy or motivation.

(mnemonic) Used for remembering that the slope of a non-vertical line is the ratio of the amount it rises over some interval, over the length of that interval.

(simile, usually of motorized machinery) To operate flawlessly and smoothly.

(idiomatic, transitive) To spend a lot of time doing things for another person or group of people. Often used when that person could reasonably do the things for themselves.

(idiomatic) To alternate between two opposite extremes, such as enthusiasm and disinterest or success and failure.

(originally US, idiomatic) To exhaust; to demand excessive effort or work from somebody.

(transitive) To begin to encounter problems with (someone or something).