To insist, demand, or refuse with finality. / (informal, literally) To make a vehicle go faster; accelerate.

(idiomatic) To test completely; to exercise the full range of abilities or functions.

(idiomatic) Synonym of get someone's back up: to annoy someone.

(idiomatic) To raise one's clenched fists in front of one's body and stand in a threatening or defiant manner, in preparation for a fistfight.

(figuratively) To cause alarm, fuss, or agitation.

(chiefly imperative) To clap; to applaud.

(idiomatic) To say or imply that someone has made a statement or remark which they did not precisely or directly make.

(transitive, idiomatic, informal) To submit a person or an animal to euthanasia.

(idiomatic) To desist from saying something unless one is able to prove it; to act in a manner that makes further talk unnecessary.

(figuratively) Synonym of strive: To work hard, to complete an activity with one's complete effort and focus.