(cricket) The act of a batsman, running between the wickets, failing to ground himself or his bat behind the popping crease before turning for another run; the umpire's signal indicating this (the run does not count).

A short joke, especially one of a single sentence. / A short remark intended as a sound bite. / (computing) A command or small program consisting of a single line of input.

(idiomatic) Drunk; in the act of consuming alcohol liberally.

(US, colloquial) murder in the first degree.

In a situation which is entirely suitable, familiar, or enjoyable.

(idiomatic) First; foremost; best, often used after its headword.

The most important person, the one who is in charge. / Someone who is top of a ranking, who is ranked first. / Oneself, being considered foremost, as by an egoist.

(idiomatic) Attentive, active, busy or alert.

(In both the 12-hour clock and the 24-hour clock) The start of the second hour of the day; 1:00 a.m. (01:00). / (Only in the 12-hour clock) The start of the fourteenth hour of the day; 1:00 p.m. (13:00).

The very beginning. / (US, slang) A close, longtime friend, one who has been around since the beginning.