An insult used against an annoying short person or person that is small in stature.

Synonymous with "go away" however grow is added for increased insult.
by Young Reezie January 24, 2008
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Sack refers to the male scrotum in this case. Synonym for "grow some balls" and other similar terms. Meaning: to accumulate or develop the courage or resolve to face a given situation.
"So you like her? Grow a sack and ask her out!"

"That's ALL you get paid!? Grow a sack and tell your boss you need a raise!!"
by Bleeorg December 23, 2003
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A taunt yelled at someone to let them know they are being a pussy and for them to get on with whatever they are afraid to do. Meaning to use the manly powers of a ballsack for courage.
Grow a pair already and jump!!
by Supercords July 29, 2012
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Command to someone (not necessarily male) to show a bit of backbone.
Nicole's re-landscaped the lawn with forty different awkward pieces of sculpture and you're worried because she's threatening you with all kinds of bullshit if you don't mow it for her. For heaven's sake, Jimmy, grow balls!
by Fearman November 17, 2007
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A phrase parents use against there children, who were a lot more fabulous and fun than they were
*Carlie comes home 2 minutes past curfew*
-"How unacceptable, grow up"
by RihannaNavy23 May 14, 2016
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Doing everything you said you wouldn't, and never doing all the things you said you would.
"Why does John always blow us off for school now? He never used to be like that."

"Dude, he's growing up."
by TCT1 April 20, 2010
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