Top Definition
A growth of the testicles resembling the shape of a pear. Could be a deformity or could be caused by injury to the testicular area.
Damn that Testicleboner is disgusting.
by TheInventorOfTesticleBoner March 25, 2010

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.