A knife used to remove meat from shellfish.
Don't throw that shelling knife overboard it's the last one.
Shell gas station/ MacDonalds were all the shit goes down
Tim got fucked up at the Mac Shell last nite
Slang for being extremely busy, having been extremely busy or both.
Busy person (picking up phone): "What !?! This had better be good! I am skating on shell casings here, you know!"
Caller: "The boss wants the names of who we are sending to the hazardous materials training."
Busy Person: "Yeah, I'll get right on that"
Performing a dutch oven, but while under an electric blanket.
Casey totally green shelled that guy she brought over the other night, so now he won't text her back.
A shell used typically for tacos; strictly used by Mexicans
Puerto Rican’s don’t use soft shells, Mexicans do.
You say this when you kick something that's big and has the possibility to pwn sum1's nads
Guy 1: Hey dudes, check this! KOOPA SHELL! *kicks a rubber ball*
*Rubber ball pwns someone's nads*
Guy 2: Oooh sthhhhh! Aaaagh! my nads
Guy 1: Now u know y i said "Koopa Shell"