RENOB 

Renob boner spelled backwords.

It can also be used to call some one a name.

Justin is a total renob today.

RENOB by grimridersuxcock December 17, 2002

renob 

(boner spelled backwards) Anything related to a boner or erection.

Look at that douche Evan, he is such a renob.

renob by bonerjames2000 October 22, 2010

RENOB 

An occourance when a man is so revolted that even his penis cowers in fear, hiding from its object of horror.

That girl is so ugly, I get a renob just thinking about her.

RENOB by WallaWallaOnion April 22, 2003

Renob 

Transitioning from an erect penis to a flaccid penis in a number of seconds. In rare occasions, sometimes even, fully retracting the penis into the pelvic floor. Such a phenomon caused by the senses of a(n) unapealing and/or disguting nature.

Austin failed to seduce Oscar by speaking of an essay assignment on a anaylsis about "Beowulf", thus giving his friend a Renob.

Renob by DaLatinBoyfriend August 29, 2017

Renob 

When the penis goes from erect to flacid in a very sudden fasion. Usually has a slight stinging feeling in the head of the penis during the shrinkage(similar to the feeling of recieving blue balls). Can occur at the sight, smell, touch or sound of something unatrractive.

Dude, she had so much hair in her butt hole that i got the worst Renob of my life.

Renob by MidShaftGash December 28, 2005

Renob 

Boner spelled backwards. Similar to being turtled, a renob is when one's boner becomes un-erect, or limp, usually caused by seeing or hearing something vulgar or disgusting.

Guy 1: did you see the new Miley Cyrus photo-shoot?

Guy 2: yeah, I was getting ready for a fun night and totally got a renob.

Renob by Dance2001 February 17, 2014

RENOB 

Something you get when you see a rather unattractive female. An inverted boner, if you would. Or perhaps a negative hard on.

"Wow, did you see that ugly ass bitch with no tits? She totally gave me a renob.

RENOB by TheClyde September 5, 2005