Yo 

Hello

Yo what’s up

Yo by Lazar_orlaith June 8, 2020

Yo 

Slang for you.

Yo! You going to that big party at Jake's house tonight?

Yo by PrettierThanYourGF April 13, 2016

Yo 

Interchangeable with the words "huh" or "what" or "hey"

Anon 1: Yo!
Anon 2: Yo?

Yo by JDahl97 April 16, 2014

Yo 

What all the boys yell at each other across the classroom like the total sonofabitches they are

Makes me wanna puke

Boy 1: Yo!
Boy 2: YO!
Boy 1: Dude!
Me: *facepalm*

Yo by #queenie September 30, 2019

yo 

The definitive article "Hey" or a slang expression used as a greeting or to get someone's attention.

Hey yo, what's up! Yo, how you livin'?

yo by Pedro M. April 11, 2003

yo 

substitution for pronouns he and she

It is only used when speaking of that person to someone else.

Originates in the Maryland,DC, and Virginia area.

"Yo said he was comin and yo still ain't here!"

yo by Dominique September 7, 2004

yo 

The word "I" in Spanish, often followed by the words no se.

Yo soy continuando estudiar.

yo by Lyndsey Joy February 5, 2008