Driving up in my Toyota civic and then I notice he drunk homeless dude at the Shell gas station doing heroin.
by Redsalt December 6, 2021

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"
*Rubber ball pwns someone's nads*
Guy 2: Oooh sthhhhh! Aaaagh! my nads
Guy 1: Now u know y i said "Koopa Shell"
by your best idiot April 3, 2010

v. to tuck your bent legs against your chest and pull your shirt or sweatshirt down over your knees, usually in an attempt to make yourself feel warmer
The wind this morning made me so cold that I had to interrupt my walk of shame and sit down in the middle of campus to shell for a couple of minutes. I knew it was a stupid decision to wear shorts out last night!
by Grandma72 October 7, 2009

by LLJFondle February 11, 2019

by Shellboss June 28, 2016

Nigga 1: bro how was it with that girl last night?
Nigga 2: man it was sight, I gave her the ole clam shell.
Nigga 2: man it was sight, I gave her the ole clam shell.
by BdWolfSx October 21, 2017

by Sangarion November 13, 2021
