Definitions by someone_who_knows

a3o 

Abbrev. of Alkaline Trio, a punk goth band. Mostly used in online conversations by lazy ass people who won't type the full name.

IM convo;
maxeevel: didju heer th nu a3o cd?
onlinegrrl; yyyy it kiks ass

a3o by someone_who_knows July 15, 2005