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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


Thumb Plumb

When a person jams their finger in their butt hole to prevent diarrhea from spilling into their pants

-Dude, is that guy scratching his ass in class?

-Naw man, that guy's doing a Thumb Plumb

by James Rox Sox January 29, 2009


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


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 17, 2009


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 26, 2017


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


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 December 18, 2007