Definition of yo
yo 
interjection
- used to get someone's attention.
Yo, come here.
- used at the end of a sentence to emphasize a point.
What's up, yo?
You going to hook me up, yo?
That's my knife, yo.
- used as a prefix to a greeting. Notes: "Yo" is the first person pronoun (i.e. "I") in Spanish.
Yo, man, what's up?
Submitted by John Nelson, Lufkin, TX, Sep 12 1997 and Lew Archer, San Antonio, TX, USA, Mar 13 1998.
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