shelldon 

Super awesome dude who everyone loves and who has a massive PP and is epic!

Damn, Shelldon is a cool dude

shelldon by RunningPumpkin August 4, 2020

Shelldon Carius 

Shelldon (Shelldon Carius, Shelldon "Dynamite" Carius) is the Protogen Gun Dealer in the TPS Roblox game, Merc Fleet.

Along with ANOTHER Gun Dealer coming soon to the game (as of now).

Pervert: Damn, Shelldon Carius is such a bad bitch, i wanna fuck him.
Other Guy: Dude, what the fuck is wrong with you?

Shelldon Carius by Hypurrelet August 13, 2023

Sheldony behavior 

A behavior where a person is distinct for their overtly intellectual personality. They are calculating and cynical, exhibit a strict adherence to routine, have a lack of understanding of irony, sarcasm and humor, and a complete lack of humility.

He has such a Sheldony behavior.

Sheldony behavior by Sheldony. May 24, 2010

Walking Lord Sheldon 

Code for some kind of weird sex act

I was on my way to the park, and I was walking Lord Sheldon

Walking Lord Sheldon by Jerry Gergich December 21, 2010

Sheldon Hamft 

A sweaty bot who has mind powers and plays Fortnite on stretch.

Sheldon Hamft doesn't have a phone.

Sheldon Hamft by hjskfh February 4, 2019

Sheldoner 

To give one's self sexual pleasure from listening to one's own voice repeatedly.

Dick gave himself a sheldoner while debating in Council.

Sheldoner by Jack_and_Jill May 21, 2011

Sheldonese 

-adjective.
1. of, pertaining to, or characteristic of Sheldon Cooper's euphemisms (one of the main characters of the CBS television series Big Bang Theory), his obnoxious personality or his failed attempts at correctly speaking different foreign languages, i.e., Chinese or Swedish.

-noun.
1. the language of Sheldon Cooper other than English.

Sheldon was attempting to converse in Chinese with the restaurant owner but he was actually speaking Sheldonese and happened to offend the said owner.

Sheldonese by _masarap_ August 22, 2010