A pastime that is often performed by youth 12-19. When not interrupted by older siblings and their girlfriends, this action can be quite pleasurable.
I've been staying up often and i am losing sleep.
by hadley February 07, 2004
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something you say in parting, a farewell, means "good luck" or "best of luck", "hope things go well"

originates in the graffiti subculture. refers to the hope that one's tag, throw up, piece, or burner will "stay up" and not be buffed.
friend # 1: "Great to see you my brotha, i c u lata. peace"

friend # 2: "aight. stay up!"
by peace y'all April 24, 2006
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my favourite definition is,
1# stay up in life. dont let life knock u down u know. smile n stay shine, even if your broke or just got robbed, life is still fine.

2# from the graffitiworld, stay up is like get yo shit out there, get up and dont get x-ed or buffed.

3# simply a good-bye
1# from emcee identitys song stay up:
cuz feelin blue wont help ya, only make u depressed
so stay up i say and dont live life stressed

2# man u gotta get out there, u gotta get up n stay up

3# iight homie, hit ya up tomorrow, stay up
by hanginlikebatman May 10, 2006
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a farewell, means "good luck" or "best of luck", "hope things go well for you!"

originates in the graffiti subculture. refers to the hope that one's tag, throw up or piece will "stay up" and not be buffed.
Great to see you my brotha, stay up!
by peace y'all April 24, 2006
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when a group of people are getting high together and people have to leave, you say stay up to each other to stay high.
*after a session*
"yo bro i gotta bounce home"
"alright for sure, stay up"
by scavenger1 October 30, 2009
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