The same as rubbing one out which is simply masturbation. However, Rubbing On Up is exclusive to male masturbation and accentuates the process vs. the end result.
Justin is a constantly watching porn and finds his hands busy Rubbing One Up.
by Eaton Holgoode July 3, 2009
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1. (n) An individual who, in any given conversation, will not hesitate to barge in with an anecdote of often questionable eligibility that in some way makes him better than anything you've said so far in the conversation

2. (v) To commit the act described in being a One-up James
Becky: So I adopted a kitten from the SPCA the other day, he's SO cute!

One-up James: Funny you should mention that, Becky, I just adopted Five kittens that I saved from a burning skyscraper last weekend

Becky: But aren't you allergic to cats?

OUJ: Oh, I was, then I developed the cure for anything
by 7thAge May 1, 2011
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Yo- Imp why don't you spin one up ya know?
That stupid hippe should spin one up eh?
by gumbolis March 1, 2008
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Johnny is one of a select group of people who think they contain a vast well of knowledge on all subjects. Like Cliff Clavin the character on the old TV show Cheers, he pretends to know intimate details about everything—from the best region for the manufacture of shoe polish to the calibration of gene splicing equipment. Johnny works as an hourly employee in a large corporation and has no specific higher education or degree.
Greg: "I have a stomach ache."

One up Johnny: "That pain in your abdomen could be from a variety of internal organs. These organs include the stomach, small intestine, colon, liver, gallbladder, and pancreas. It could be a serious condition. You should consider being evaluated by a physician"

Greg: "Yeah, or it could be from that donut I ate earlier."

Mike: "Have I ever told you I have a motorcycle?"
by Reverent JAB September 20, 2009
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to shit oneself pooless in a curly fashion
I'm off to lay some Stereophonics Drummer type shit.
by Judster October 15, 2004
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Referring to a gun. you have a bullet in the chamber and you’re ready to shoot.
“I got one up top nigga you better duck”
“Aye slat you got da strap?” “Yea nigga One up top
by BawskeeGang January 17, 2019
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A badass who takes nothing for granted even if he is losing he will just have fun.
by YTone_up_gamer August 25, 2020
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