damn, i just wasted two hours refreshing grindr and can barely move my thumb now - got a case of that grindr thumb
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" What is the definition of "grindr thumb"?