Blue Diaper

Noun. Of Halo 2 Origin. When one sticks another with a plasma grenade in the mid section. Variants are Blue Bandana and Blue Shoe.

When he tried to grab the flag I gave him a blue diaper and we won.

by Keith March 15, 2005

Ol' blue dipper

When you slip a urinal cake inside of your boss' coffee mug while they aren't looking.

guy #1: "Hey man, I just gave my boss the Ol' blue dipper while he wasn't looking."
guy #2: "Did you steep it in his coffee like tea?"
Boss: "Agh! what's in my coffee!??"
guy #1: There it is!

by Mountaineer007251 October 19, 2021