thumb shark

Dickhead brothers (most commonly found in groups of 3) that resemble living breathing thumbs with shark characteristics. This is a rare species of thumb sharks can most commonly be found living right on the coast of Southern California near Redondo Beach

Girl 1: Those three boys just ruined our movie night
Girl 2: What a bunch of thumb sharks

by thumbsharkhater456 November 25, 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

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

double thumbing

Texting on two mobile devices while holding one in each hand

"I saw this crazy girl at the club last night. I was going to go talk to her, but she was busy double thumbing at the bar."

by sweet650 March 19, 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