Standard text message sent between 10pm and 2am to initiate a booty call.
"Hey, you up?"

"Yup."

"Shall I come over?"
by Timsta June 27, 2013
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Late night booty call
Mostly the man will this question when he wants to smash
Guy: hey you up???
Girl: ya why .
Guy: want some fuck ?
by HYU3129 May 28, 2017
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Either gender asking if the person they want to smash is up for a root.
Her: hey you up ?

Him: yea why
Her: I'll be over in 30 minutes
by Mellogibbo December 9, 2019
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