(intransitive) To lay down a challenge; to provide a test of commitment (often one which carries a high risk) to a cause.

(literally) Only one second; a passage of time one-sixtieth of a minute in duration. / (idiomatic) A short period of time, typically anywhere from a few seconds to several minutes or more.

(idiomatic) Stop; wait. Used to indicate that the speaker wishes the previous speaker or the proceedings to stop so that he or she can comment on what has been said or has happened so far.

Used to express surprise at meeting an acquaintance or discovering a personal connection in a distant place or an unexpected context.

(idiomatic) To make an attempt, a try.

Censored spelling of arse.

Censored spelling of asshole.

Indicates that the speaker is a Christian.

(simile) Synonym of mind like a sieve

(US, military, aviation) fighter and attack aircraft (prefix)