A heroic or extraordinary deed.
An achievement.
(computing) A program or technique that exploits a vulnerability in other software.
(by extension, Internet, video games) An action or technique that takes advantage of the conditions of a video game to gain an advantage, or to disadvantage others.
(transitive) To use (something) to someone's advantage, such as one's own benefit or a society's benefit.
(transitive) To make unfair use of someone else's labor, person, or property to one's own advantage.