(intransitive, idiomatic) To punish someone according to one's own idea of justice, without consideration for the role of law enforcement authorities.

(idiomatic) To have good intentions.

(US, slang) To behave in a wild and carefree manner, so as to use up excess energy or exuberance.

To be at risk of sudden change; to be in an unstable state.

To have another means or expedient kept in reserve in case the current one fails.

(idiomatic, usually derogatory) To talk a lot.

(idiomatic) To give one an unpleasant feeling or memory.

To avoid creating any controversy, and thus avoid being a target for anybody's criticism.

Alternative form of have one's head screwed on

Alternative form of have one's head screwed on