"Nize It" is a phrase used to tell someone to be quiet or shut up, currently uknown to a majority of teachers, used in place of more vulgar or obscene phrase such as "Shut the F*uck up".
(people of authority nearby)
G: "yo B, you bring dat kush-"
B: "Nize it G, we'll talk later."

Teacher(in the middle of lecture): "so the electrons are-"

G: " just Nize it"
Teacher: " What does that mean mr. Green?"
S: "Um, it means i like your style."
Teacher: "You crazy kids and your slang these days."
by Bramptonian Rhapsody June 05, 2011
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another way to tell someone to be quiet, or to 'shut the fuck up'.
X: "yo, that bitch has a fatttt assss."
Y: "nize it, she is like a pancake. no lie."
by dome squad March 18, 2014
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telling someone to shush themselves or be quiet/shut up
Bruh nize yourself
by floatercheese March 25, 2017
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When a person is talking rubbish or shit you tell them to 'nize it' (be quiet/shut up)
Johnny: You know Africa is country, right??
Brad: Johnny,, brooooo just nize it yeahh!
by pooopinnih December 22, 2016
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A crybaby who continues to ask his "friends" for attention and get none in return
Isaac:Can I PLEASE get added to the group chat
Samuel:Are you nizing?
Isaac:Take a shit in your bed
by C R O B June 17, 2020
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Nized: a word that is used as a replacement for telling Someone they have lost a verbal battle.
Dave: "suck my dick."
Steve:" Oh cool ... Your boyfriend finally got it out his ass."
Dave: "Uhh."

Steve: "Nized."
by SWAGMASTER B August 30, 2015
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Word of enthusiasm following a scored goal in UT2k4, with text-to-speech enabled; a replacement for 'nice'.

Windows' Microsoft Sam synthesis feature says nize in a myriad of ways when punctuation is added, such as exclamation points and question marks.
Holy shit! Around the rim, nothing butthole, NIZE!
by doodoo October 22, 2004
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