(idiomatic) To use up one's resources, especially a singular one or one not readily restored.

(boxing, professional wrestling) Leaning against the ropes of the boxing ring, as when exhausted and nearing defeat or collapse.

A highly popular male collegian.

Alternative spelling of one-track mind

The hundredth part of the number one, represented by the second decimal digit in a percentage.

(idiomatic, UK) To become familiar with something

(idiomatic, informal) No harm to one.

(transitive, informal) To hear as rumor; to learn through friends of friends, etc.

(slang) Extremely intoxicated, either by alcohol or drugs.

On behalf of the (monetary) account of; (idiomatic, originally figuratively) for the sake of. / (idiomatic) Because of, due to, owing to.