a unit of one hour's work by one person's thumbs or fingers, especially within the context of interacting with a smartphone touch screen
The number of thumb-hours spent on cell phones and tablet computers has skyrocketed in the last few years.
by S. Sheldon April 26, 2011
A Gold digger who has given all her fingers away to lovers for rings, and all that is left is her thumbs.
by wacky J February 11, 2010
While having Doggystyle sex with your significant other you place your thumb in her asshole. There for placing "The Thumb in the Plum."
Jill was riding my ass all day about the chores I hadn't gotten to yet, so when we had sex later that night I put "The thumb in the plum."
by Broadway Harmier December 24, 2021
A sexual intercourse position in which a thumb is pressed into the vagina with as much pressure possible.
by anonymous May 20, 2021
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
by -/:;()$&@“ November 14, 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