Sheldonic 

An act befitting Sheldon Cooper of the Big Bang Theory

You seem very Sheldonic today.

Sheldonic by Brick Bulldog March 27, 2015

Shelogic 

Where women's feelings overrule male rational logic and fact. It has worked for centuries because men want sex and wish to avoid nagging, divorce and losing everything they ever worked for.

Tom, I really want those $1000 Jimmy Chu shoes. Well Tiffany, I can't afford them. Guess who is not getting any sex until shoes are purchased via Shelogic.

Shelogic by EightBall March 26, 2013

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