A person who looks Emo but really isn't. Usually associate with Emo's, and act pretty much like them. The only way to tell them apart is that they have a different attitude. It's all in the attitude.
See also: emo bean, wussy.
Derived from 'Alternative'. Pronounced 'AAHL-toe'
Damn i hate that bar it's full of Alto's.
No she's not emo, she's just Alto. She's an annoying wannabe groupie though . . .