The act of habitually swiping one's index finger left on the Tinder app even if you meant to swipe right.
"Dammit! That guy was hot but my tinder finger betrayed me!"
"No! I swiped left! I hate this tinder finger!"
"No! I swiped left! I hate this tinder finger!"
by Hipster fox October 17, 2014
Get the Tinder Fingermug.