Numbnuts 

A worthless brainless loser who constantly tells tall tales about all the great things he has done but they are all exaggerations and lies.

Joe Biden cannot speak without proving he is a numbnuts

Numbnuts by Symington May 31, 2022

numbnuts syndrome 

the action of grabbing somebody’s testicles and twisting them until they are numb and change colours

“i’m gonna give you numbnuts syndrome if you don’t stop.”

numbnuts syndrome by (EMS) November 24, 2021

laughin jokin numbnuts 

Laughin' Jokin' Numbnuts is the name given to LJN by James Rolfe, the Angry Video Game Nerd. James is a classic game reviewer with a low tolerance for bad games and LJN has consistently released poor titles.

I wanted to buy "Back to the Future" for the Nintendo Entertainment System until I found out it was a Laughin Jokin Numbnuts game.

laughin jokin numbnuts by One more person December 17, 2018

Mrs. Numbnuts 

A disparaging term used to indicate that a woman is not functioning on all cylinders.

My mother, self-effacing comedian that she was, started to refer to herself as “Mrs. Numbnuts” as her cognition steadily declined.

Mrs. Numbnuts by Dr Bunnygirl May 19, 2023

Captain Numbnuts 

Someone trying to act like the descendant of Captain Obvious

Person A: 2 plus 2 equal chair

Person B: You don't say! Thanks for the information, Captain Numbnuts!

Captain Numbnuts by what do i care 125 February 4, 2022

numnuts 

Numnuts or num-nuts is a slang term that is used to depict someone who is a constant source of trouble. Usually an individual who screws up, or constant makes mistakes. Someone who botches a job, event, or situation.

"Good job, numnuts!"
-Or-
"You guys are a bunch of #%^&!$$ numnuts! Hit the ground and give me 50!" (a drill sergeant to his platoon of Army trainees.

numnuts by Guler March 11, 2005

numb nuts 

-when one is being cluelessly dumb
-when a person thinks that they're right about something in which they're really not in reality

2cool4school: yo mang, who wanna battle
Usuck@life: battle yourself...i'll judge
2cool4school: ....wtf?
Usuck@life: it was a joke, numb nuts

numb nuts by nicole April 12, 2004