kart thumb

kart thumb is a wiinjury that develops on the right hand after frequent and habitual use of mario kart using the Wii Wheel accessory while playing Mario Kart Wii.

The condition arises from the orientation of the controller/wiimote placing the button used to accelerate your kart under the right thumb.

If left untreated the condition can worsen to Wiipetitive Strain Injury and eventually Wiithritis.

Michael played Mario Kart for ten hours yesterday and got kart thumb - by the time he went home he couldn't even bend his thumb.

by pigeon assassin October 6, 2008

Thumb gummer

when you place your thumb in your partner’s butthole while having sex doggie style and it sucks your thumb like a toothless mouth, e.g. an asshole

“I put my finger in her thumb gummer last night while I was banging her from behind”

by ZanDolo October 24, 2020

cold thumb

Cold thumb is Ignoring someone's text message/not typing back/not replying to someone's text.

Keisha: Guapo, when can I come over?
Guapo: …(never responds)
Keisha: I asked you a question, why are you giving me a cold thumb…

by myguapolife May 12, 2017

extemp thumb

the signature hand gesture used in extemporaneous speaking: where you're talking about foreign policy and make a fist with your thumb on top and hold it up to really emphasize your point.

he's so used to using the extemp thumb in speech and debate that i've seen him use it in class presentations as well!

by arbitrarilyunconventional March 22, 2023

Throttle Thumb

When your thumb gets sore from holding down the throttle on a quad.

(after a whole afternoon of riding on the quad)
"Damn, I got throttle thumb!"

by Joegus the Rogue March 29, 2010

potty thumbs

A name given to somebody who repeatedly texts or sends e-mails whilst taking a crap.

Joe: Where's Bill?
Jon: He's taking a dump
Joe: What a potty thumbs, he was just texting me
Jon: Gross!

by JamGol February 16, 2009

smoker's thumb

the red and/or peeling skin on the finger, usually thumb, of someone who is new to smoking and/or smokes often because they are inexperienced and the lighter flame touches their thumb or finger

Hey man, what's wrong with your thumb?
Oh, I just started smoking, and now I got a smoker's thumb.
Here, let me show you how to use a lighter!

by Devin Calcutta January 7, 2008