To be aware of (someone's or something's) existence, but little or nothing beyond that. / To know about a specific person by reputation without having met them.

simple past tense and past participle of lose sight of

A contest where people compete in making puns.

Third-person singular simple present indicative form of rub off

(slang) To masturbate.

simple past tense and past participle of rub off

plural of element of surprise

(idiomatic) The strategic advantage afforded to a party when its opposition may be caught by surprise.

plural of can of worms

plural of standard of living