(US, dialectal) Synonym of out of one's mind.

(US, dated, slang, transitive) To gain a great advantage over (someone).

(transitive) To dismiss (a person) promptly.

To be seized with a sudden (often ill-advised) notion.

Synonym of good as one's word

Do what one has said one will do.

Said of a conversation which suddenly develops in a way that was not planned or anticipated by any of the people involved, sometimes in a positive context, but especially of an escalating argument.

To make oneself comfortable.

Dealing with a matter with which one is familiar or expert.

To begin an undertaking.