Top Definition
A gay man's swollen testicles when he has not ejaculated (see, splooged, chowda'd...) in at least 72 hours.
David had trouble pulling up his jeans due to his enormous thunderbalz hanging down to his knees.
by ebeth462 March 22, 2005
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.