the testicles where sperm is produced when are large or huge
-yesterday i saw my father naked in the bathroom, not much of a cock indeed but he's nuts are the size of golf balls!

-gross...you have a dad with sperm tanks!
by urpapi October 04, 2010
A girl who enjoys swallowing huge loads, often more than one in a sitting. She can be identified when she asks you to pull out and go in her mouth.
We were having sex and when I was ready to go she pulled me out and had me go in her mouth. Man what a sperm tank.
by Yigal November 26, 2004

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×