The term "Square Up" is also used specifically by sex-trade workers (prostitutes of both sex) to describe "going straight" ie. retiring or otherwise getting out of the business to live a normal, "square" lifestyle (with spouse, kids, mortgage etc.) up off the street.
The hooker couldn't take the street life anymore so after one of her johns proposed marriage, she decided to square up.
by Jaxxon July 3, 2009
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What happens to your TV when the digital signal breaks up. The modern day version of static.
The new TV kept squaring up during the season finale of BSG, which would never have happened in the analog days of yore.
by rorybean June 16, 2010
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To double up any that you are ordering or buying.

Waitress: Do you want a biscuit or hash browns with your cfs?

Person: Give me HBs (Hash Browns)...tell you what why don't you go ahead and square up them bitches...thug life bitch!
by Flo$$y B May 4, 2006
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When a thot pisses you off so you grow muscles and square up!
by Alpha_Omega18 February 14, 2018
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When the pussy bitch tryna start a fight on yo ass
Person 1 "yo bitch you tryna start"
Person 2 "square up nigga"
by TheRichKidd March 5, 2017
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Verb, used in the context of cleaning. To tell someone to square up this joint means you're telling them to clean said place. Joint referring to the room/house you're standing in.
Dad: Your mom wants you to square up this joint, yo.
Son: She wants me to clean my room?
Dad: Word.
Son: Okay.
Dad: Represent.
by Dewger October 11, 2010
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