Top Definition
A herpes sore on the shaft of a penis. A friend who is just so irritating and won't go away.
Timmy is a friggin shaft knot, someone tell him to leave the party.
by MoTox345 (Tim) April 30, 2006
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.