ballzooka
A cock that whilst ejaculating releases so much sperm so fast, that it resembles a bazooka spewing ammo from ze balls.
"I emptied my ballzooka into Tina last night."
ballzooka
A big bazooka that shoots testicles or 'balls'.
Sargent: Taking heavy tank fire! Bring up the ballzooka!
Soldier with ballzooka: I am on it sarge!
Soldier with ballzooka: I am on it sarge!