To text for the purpose of social communication; from schmooze, Yiddish meaning to chat, to have an informal conversation; "thumb" is a reference to the use of thumbs to text on a mobile phone
I'll be in meetings all week, but we'll thumb-schmooze every day until we can get together on the weekend.
by Liz141 April 21, 2017

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 sexual intercourse position in which a thumb is pressed into the vagina with as much pressure possible.
by anonymous May 20, 2021

While popularly used as the term for approval (thumb's down for disapproval ) Not many know that in rap or in Fighting word's thumb's up means safety off due to the motion of taking the safety off is putting your thumb's up.
by AllFatherOfFighting October 21, 2018

The lack of exercise caused by being on a portable game device or smart phone for extended periods of time. Typically Apple or Blackberry users
by Cyberwulf July 18, 2012

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

by -/:;()$&@“ November 14, 2017
