nut up

To suddenly go crazy with no apparent provocation. Especially true with emotional issues that have not been previously resolved but avoided.

"I was talking about waiting another year to get married, and she began to nut up on me."

by CWB August 27, 2005

nutting up

My dog is nutting up because I just got home.

by Redneck Hemingway March 19, 2016

I am sooo nutted up about this interview.

by wstsdgrl March 12, 2008

To go crazy or stupid. To be extreamly fearful.

Don't nut up on me now.

by F.I.D.O. July 19, 2006

v. To ejaculate. Literally, when one's testis climb to a "high & tight" position just before launch.

Al was about to nut up when her cell phone rang, turning his hard tool into a soft accessory.

by R2dad August 1, 2006

I just found out I am going to be an uncle, my bro nutted up his girlfriend.

by ALL BIZ July 23, 2019

either pull your dick out and ejaculate and go do you task or shut up

Frank: Dude i gonna ask out debbi

Ron: Dude, nut up or shut up

by lost shadow kid April 1, 2010