You a side boy you a side piece, you not a boyfriend or a husband,some people do not know that they are a side piece. If you ain't met her parents or her friends, you a side boy. No one goes to Hooters for the wings.
Shit, he's just a side boy.
by Daletroy March 12, 2019
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Male version of being a “side chick” is in denial they aren’t the main man.
Pat is the “side boi”, he doesn’t even know about her main guy.
by Rocky88 November 13, 2018
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A Manchester gang known as MSB dressed in al black. Hang out Alexander park(estate)
by CJ95 June 21, 2009
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An upper west side boy has blonde hair blue eyes and is a self entitled and low key snobby brat who most likely wants to go into investment banking or live off their parents and be a artist. To live on the upper west side you must either be a annoying Jew with a name such as (Matthew Edney) or snobby wasp with some rediculous name like (Coke O'Neal IV) these people lie about how much money they make to keep their cheap ass rent controlled apartments.
Person A: I wonder how much that upper west side boys parents pay in taxes.

Person B: they probably hide all their money so they can keep their rent controlled appartment.
by Domchugger December 7, 2016
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An upper west side boy has blonde hair blue eyes and is a self entitled and low key snobby brat who most likely wants to go into investment banking or live off their parents and be a artist. To live on the upper west side you must either be a annoying Jew with a name such as (Matthew Edney) or snobby wasp with some rediculous name like (Coke O'Neal IV) these people lie about how much money they make to keep their cheap ass rent controlled apartments.
Person A: I wonder how much that upper west side boys parents pay in taxes.

Person B: they probably hide all their money so they can keep their rent controlled appartment.
by Domchugger December 7, 2016
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