look up any word, like donkey punch:
 
1.
It is the dried sliver on cum that is left on the inside of the urethra after not washing after sex. This may result in pain or may just be bothersome. This can refer to a person who is being annoying/bothersome.
Billy: Dude I made out with like twelve different chicks on vacation man, and I boned a chick at a water park!

Ron: Sure you did....

Becka: Your being a real douche right now...

Ron: Yeah stop being such a cock knot.
by TooDaFace July 26, 2010
 
2.
Noun: The inability to ejaculate or urinate through the male sexual organ, the penis.

This happens because your dick is broken.

Noun: Someone who's appearance displeases you greatly, thus, removing the penile state of erection.
I tried to piss today, but it wouldn't come out... I must have a cock-knot.
by Flavoured Wild Jesus July 02, 2003
 
3.
a long ass cock tied into a neat bow
by metzz October 07, 2003