Nut-shell 

When you nut off a high place, such as a balcony, onto unsuspecting passer-bys beneath

Jack : " ew what just fell on my head?! bird shit???"
Matt : " no silly, it was a nut-shell"
Jake : " lets stop walking past james simpsons house, he keeps dropping nut-shells on us"

Nut-shell by Kat street March 8, 2022

brain shell

ur skull when u don’t want to say your skull

“You’re brain shell is the bone around your brain” said the health teacher, “what’s a brain shell again teacher?” “your skull” he said.

brain shell by Therealjhoncena November 1, 2022

brain shell

your skull but you can’t think of the word skull so you say brain shell

your brain shell is your skull. it’s very important. pls don’t break your brain shell

brain shell by Therealjhoncena November 1, 2022

body shell 

(Noun) The human corpse after its soul has departed

I prefer my body shell to be cremated when I die.

body shell by Verba numquam delabitur. December 13, 2022

Muh shell 

Fat ass whale

Muh shell is fat

Muh shell by MrGameGuy123 June 11, 2023

Nut Shell-shock 

The act of beating it so hard, once you finish it is hard to concentrate on things other than what you were doing.

Person 1: Hey did you watch the game last night?
Person 2: Huh..? Sorry I'm in nut shell-shock right now.

Nut Shell-shock by TheGamingPop July 19, 2023

Ghost shell 

Famously describing a bug in the game War Thunder, when a tank shell does no damage or disappears due to a bug

Tom: Damn it! That's a Ghost shell
Jerry: Better luck next time

Ghost shell by bean10 January 2, 2024