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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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Grow up is phrase said to people who are acting like a bit of a chump and need to act their bloomin' age.
"Ha, ha! Look at me - "

"Grow up! You juvenile bastard!"
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