Referring to the exchanging of bodily fluids between two guys through the course of anal sex.
One may say this in a joking way to ones chums to gain a chance of laughter, but has really got, what the youth of today call "issues" and should stop being so "batty"
Mike says to Patric
"mate forget about going to The Hart, lets go to that gay bar - The Birdcage. After all, one up the bum no harm done." This is when Patric would probably knock the shit out of Mike, grab a beer and go to The Hart.
by Mike February 11, 2006
mugGet the one up the bum, no harm donemug.
When you go too school and they ask you " what is 3x*9g/7^r.33333333333333333333" then goes over to your desk and says "HURRY UP LARRY THE ANSWER IS DO AT THE END OF CLASS"
Teacher: " what is 3x*9g/7^r.33333333333333333333"

You: Shut up, my one brain cell is working very hard right now!!!
by greencreeper244 April 10, 2018
mugGet the shut up, my one brain cell is working very hard right nowmug.

Lick one up

I just have to lick one up right quick.

Before we go why don’t you lick one up for the road
by Longjohn joe June 15, 2022
mugGet the Lick one upmug.

next one up

you know you're going to be next person to be successful in (anything); a feeling of greatness/determination/certainty
Person 1: Hey, you're really good at this.
Person 2: yeah, I'm the next one up
by kwjg42 August 27, 2023
mugGet the next one upmug.

one up feenix

a member of one up clan who hits all of his sniper shots until that one does miss
yo don!'t one up feenix a hunting rifle because he will clap you
by YTone_up_gamer October 28, 2020
mugGet the one up feenixmug.

One-up

To like sb's comment on a social networking site such as Facebook.
"People constantly seek attention and validation through one-upping people's comments"
by MFRO June 19, 2017
mugGet the One-upmug.

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