What is Unno?
1.
Unno is the latest in a long line of Proper English words unwillingfully sodomised so that they are fit for internet consumption.
jayseven: Unno watya onboot teh dud!
jayseven's dad: I don't know what you're on about, son!
See
2.
Same meaning as "dunno", which comes from "don't know", except it's shorter and easier to type when IMing
Guy: what time is the party at josh's house?
Girl: i unno, go ask stephanie
See
Random Words:
1.
A sexual maneuver in which the the girl is on top, facing the man, who is on his back. As she is riding him, a friend comes from behind ..