Empty Tank 

Noun - The state of being when masturbation has occurred so much that the person has run out of semen/fluid.

John fell in love with Meghan, despite her personality. He pleasured himself to the extent where he had an empty tank.

Empty Tank by Buckster7002 July 2, 2011

Empty the tank 

To take a shit

I'll be right back I have to go empty the tank.

"What are you doing right now?" "I'm emptying the tank!"

Empty the tank by Cherrytree88 October 4, 2014

empty my ballast tank 

When said by a woman, to urinate.

I'm gonna go empty my ballast tank.

empty my ballast tank by K. Isaacson April 21, 2007

tank's empty 

The feeling when your stomach is empty and you're hungry

Cade: What're we doing at Whataburger?

Hound: Tank's empty, bro. Need to refuel with a burger and spicy ketchup.

tank's empty by KnightofNerdom June 18, 2019