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9. one up
:When a male places a female's leg on his shoulder during sexual intercourse, usually following the missionary position.
"Yaa! Stacie, I'm going one up so I can ram you deeper bitch! MMM, now make a wish for daddy."
by DJ Newman Oct 9, 2003 add a video
1. one up
To outdo a deed of another.
I can one up that.
by Tailor Aug 29, 2003 add a video
2. one up
An extra man, Extar life, something Mario needs alot of.
Dude, if you jump over that piranah plant, over the lava, onto the turtle, bounce off that, land on that tunnel and press 'down' you go in a secret level, there's a one up.
by Treg Sep 22, 2003 add a video
3. one up
being better that something or beating something real bad
i think john gonna one up tonny in that fight..or
that backflip off the dumpster is gonna one up jumping off that building in that comp.
4. One Up
A marijuana smoking game in which you pass the spliff around a group and each person takes one more toke than the last. This goes on till there are not enough tokes left in the spliff for the next set of tokes.
Jeff - Lets play one up! I'll start: *holds up hand with 1 finger raised and takes a toke*

Jim - *takes two tokes and holds up 2 fingers*

Emma - *takes three tokes and holds up three fingers*

Jeff - *takes four tokes and holds up four fingers*

Jim - *takes five tokes and holds up five fingers*

Emma - *takes six tokes and runs out of fingers*

and so on...
5. one up
When a couple is having sex doggy style and the guy pulls out and acts like he "accidentally" puts it in her ass.
-girl- "He tried to one up me last night, but I'm not down with anal sex"

or

-guy- "We were a little drunk so i figured i'd go for the one up... but she wasn't a fan."
by Nicky NOTORIOUS Mar 22, 2004 add a video
6. one up
to be straight forward with a person let them know what the deal is.
"I was one up with him when I told him I did not love him anymore instead of stringing him along".
by nikki Feb 23, 2005 add a video
7. one up
another way of saying "fuck you!"
the term is taken from the middle finger gesture. When you flip someone off, youre holding "one up"
Guy one: Ayo, your moms is a milf.
Guy two: One up bitch!
by new slang Jan 16, 2005 add a video
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