Bullet Billz 

Def. #1: When a male or a female with a strap-on dildo penetrates their partner at over 700 mph.

Def. #2: When a man has Deer Pebble Shits. He then freezes them and puts them into his hand-gun or rifle and shoots them.

Def. #1: Dude last night a gave my girlfriend the best Bullet Billz ever!

Def. #2: My cousin is a complete redneck, he shot a deer with his Bullet Billz!

Bullet Billz by Whitey McKrakerhonkey December 22, 2010

Bullet Bill 

A bullet bill is a powerful bullet about the same size as mario when he is little, used by bowser to stop mario from saving the princess and rooting her.

Mario Jumps on top of these to kill them, but constantly shoot out of a cannon in attempt stop him.

One of the greatest but forgotten enemies of the Super Mario Bros. Games.

Bowser shot a bullet bill at mario just before he finished the level, the guy playing was very annoyed

Bullet Bill by Example555 April 5, 2009

Bullet Bill 

Bullet Bill is a stupid thing and he should go to hell

“Oh, look at that stupid Bullet Bill.”

Bullet Bill by The silver cat November 3, 2020

Bullet Bill Ass 

an ass large enough to propel one forward in Mario Kart.

Tiffany, get that Bullet Bill Ass back here!

Bullet Bill Ass by CB89 February 20, 2021