Top Definition
A primitive way to say 'you die, now' in chat lingo.

Meant to express disapproval and the like.
Olivia: I really like punk rock music...
Michelle: O rly? What bands?
Olivia: Stuff like...Avril Lavigne...Greenday... :)
Michelle: ....udainau. >:l
by WWIII September 14, 2007
4 Words related to udainau

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