A fork of Rural Dictionary
I.A.A - I Am Amused. This acronym allows people to show their amusement via text in three letters with out saying LOL(laugh out loud) as they are generally lying when they say this.
Joe: lol that was funny!
Jack: IAA agreed, but did you really laugh out loud?
Joe: No, I normally dont. What does iaa mean?
Jack: It means I am amused so its more truthful than lol.
Joe: IAA cool i like it.