A battery to power an automobile, used often as an acquatic fauna rejuvenator, also its good in all cases.
Girlfriend: I'm breaking up with you, sorry, it's just that the stress you're putting on me is astronomica-
Boyfriend: car battery
Girlfriend: this is why i'm cheating on you with bradley you useless reprobate
Boyfriend car battery (derogatory)
When the coaching staff makes you jam a football into your peehole and you are forced to practice college football with a football inside your penis. Just like a car wash.
“Hey there. Welcome to Northwestern Football. Now please, insert this football through your peehole. You know, just like a car wash!