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Adjective -
1. a person who acts like they grew up in a getting but have never been in one
2. A person who acts like a gangster without a association with a gang.
That guy is such a yo'boy. Trying to spread his street cred when he has none.
Yo'boy by Jabbermonkey June 28, 2018
Related Words
your mom You youtube yolo Yo! yo mama yourmum Yoink yote Your mother
yo mama is so fat....
yo mama is so ugly...
etc
yo mama by anya November 28, 2003
yo mama so old she sat next to jesus in 1st grade

yo mama failed this test... even jesus failed!
yo mama by im soo hoooooood ;] September 24, 2009

yo yo yiggidy yo

a famous line from the movie Juno. people think that they can just steal this line. its not right!
girl 1: yo yo yiggidy yo!
girl 2: oh puleeez! do not use that stupid line from juno!
yo yo yiggidy yo by dictionarylady October 20, 2008
Yo mamma refers to your mom which can be used as:
1.n. your mom
2.v. to wip or hurt as if your mom did
1. Man your mom was good last night.
2. I will yo momma your ass so lay off my daddys dick!
yo mama by Dickfuckfuckface November 11, 2003
interjection - a phrase used by 6th graders who have nothing better to say

noun - an otherwise nameless entity that is fat, stupid, ugly, and many other negative adjectives.
Person: You suck.
6th grader with nothing better to say: Yo mama!

Yo mama is fat, stupid, and ugly.
yo mama by alex_person April 14, 2004