1. Poor hygiene of the sac and testicles, resulting in mysterious growth on your sac.
2. The act of inserting the entirety of ones testicles inside the yeast infected vagina of another. (May cause definition 1)
Chad: Did you go down on that chick last night?
Brandon: No, she had a yeast infection, so I grabbed her neck and gave her the cheeseballs.
Chad: Sounds fun!