Top Definition
Shorthand of 'who is this'. A question asked by someone when he/she does not know who someone is. Commonly used in Instant Messaging or in a telephon conversation.
Unknown dude: Heyo dude! Zup?

Dude: Whosiz?
by rOmAnO-HerNandEZ March 06, 2007
4 Words related to whosiz

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