[arse] {n.} 1. The buttocks. 2. Someone who acts in a […]

[arse about] {n.} Mess around or waste time (17th C).

[arse about face] Back to front.

[arse bandit] {adj.} homosexual (offensive, derogatory).

[arse over tit] {v.} [Head over heels], to fall over or […]

[arsehole] {n.} 1. The anus. 2. General derogatory term.

[ASAP] "as soon as possible", predates the Internet.

[ASL] "Age, sex, location"; used to request general information about a […]

[Assmosis] The process by which some people seem to absorb success […]

[ATM] "At the moment"