What is Jack-up?
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To jack-up is a gymrat term for working to improve a specific muscel or set of muscels, especially women who want to firm-up their butts.
She is doin something to jack-up that ass. I'll bet she spends an hour-a-day on the stairclimber."
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Random Words:
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its a expression people use to speak
why are you driving so fast!!!! Just like that dude
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