unass
v.β Β«βIβll take βun-assing the A.O.β to mean βhelping up the arresting officer.β”…”Get a clue. The phrase is Army slang for βleaving the area of operations.β”Β» ββRe: getting rear ended” by geoffm@purplehaze.EBay.Sun.COM (Geoff Miller) Usenet: rec.autos.driving Nov. 15, 1990. (source: Double-Tongued Dictionary)