Definitions by andrec54

A.I.O. 

Age Inappropriate Outfit.

An outfit worn by a mature female which is clearly ment to be worn by an individual much younger/Hotter or not at all.

"Dude Homeballs, you see that lady in the leopardskin hotpants? She must be atleast 40"

"Dude, that's an A.I.O. fo Sho!"

Other examples include Madonna in a leotard.

A.I.O. by andrec54 August 4, 2009