A fork of Rural Dictionary
hybrid cross between "grow a pair of nuts" and "man up"
Guy 1: "Oh man, I totally wanna bang that chick over there." Guy 2: "So nut up and do it already!"
"Going crazy" or "manning up"
I'm was so mad, I was nutting up in there! Why don't you try nutting up and ask her to the dance?
suck it up, just do it, who cares
Dan, Jay and Jeff came out of the corsey and saw some hot girls. Dan and Jay said "hi!!!111oneone" and Jeff said "nut-up!" The girls drove by and flipped us off.
Verb phrase: To involve oneself in a physical altercation, to lose one's cool, or to fly off the handle. A common fixture of urban or "gangsta" vernacular. Recently popularized by a homophobic, black-clad drug-dealing NPC/pedestrian in the controversial PS2 game "Grand Theft Auto: San Andreas."
"Yo, I'm fidd'nduh nut up in a minute!!!"