First person singular ("I") slang for "your boy". Pronounced like ju in junk and boy.
David: You really for an intense game of tennis, Oliver?
Oliver: Jaboy was born ready.
by Oliver Guzman April 9, 2013
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Ja = ya and boi = boy. Your boy.

An expression of glee. When you are happy to see your friends.
by Adam Ketchum March 19, 2008
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A man of African Decent who refers to ones self as being good or cool.
Jaboi is the best at fortnite
by Jaboi in the strip October 27, 2018
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