medical term: a tear of the ulnar collateral ligament of thumb, causing the thumb to bend sharply away from the plane of the hand
by dadzone June 19, 2010
Book thumb is from holding open a book with your thumb and index finger for long periods of time, causing pain in your thumb muscle.
by blueberrypancak September 2, 2013
by Massivehoginurface April 26, 2022
Thumb licker: (noun) a person who puts both of their thumbs in their own mouth then shoves them up their partners,friends, peers, ect. asshole then licks their thumbs again.
by Thumblicker23 November 12, 2017
A cup in which you put your thumbs in cold water after burning them on a hot bowl of ramen noodles after putting them in the boiling water.
by Picodegio December 28, 2017
The arthritic fatigue you experience in your thumb after spending too much time scrolling up and down on Grindr.
Damn, I just wasted two hours refreshing Grindr and can barely move my thumb now - got a case of that Grindr thumb!
by C Burnett July 25, 2014