(now colloquial) Off; from.

Without planning or thinking ahead. / Careless; without sufficient thought or consideration. / Curt, abrupt, unfriendly.

Right away, immediately, without thinking about it. / In an offhand (adjective) manner.

Because of; out of consideration for; in the interest of.

(idiomatic) Resembling; similar to; in a way; partially or not entirely.

(idiomatic) To force to leave or go away. / Used other than figuratively or idiomatically: see drive, off.

Alternative spelling of drive-off

(idiomatic, colloquial) Approximately; in a way; partially; not quite; somewhat.

(idiomatic, vulgar, UK, Australia, New Zealand, emphatic, colloquial, dismissal) Go away.

(intransitive, idiomatic, vulgar) To leave, go away, disappear.