(online gaming) The act of doing this.

(acting) To practice or memorize one's lines from a script outside of rehearsal, usually with another person.

Alternative form of pressrun

(now rare) To go mad.

present participle of run after

(colloquial) A trip made, often late at night, to obtain illegal narcotics.

Present participle of run wild.

present participle of run afoul of

An extinct genus of hyenas, Chasmaporthetes.

(idiomatic) To perform an action which may result in a loss or failure.