Definitions by Yodaguy

One-up 

Someone who always trys to "one-up" you by being better at EVERYTHING. Created by TK & MW (God)

Eg1
Guy: I just shot down the enemy chopper!

One-up: Yeah, I did that with my tomahawk like five times.

Eg2
Guy: I just got my first nuke!

One-up: Yeah, after my first nuke, I got one every round after that for three days straight

One-up by Yodaguy January 16, 2011