The slight bending of the little finger when holding a smartphone. Attributed to the greater width of phones more people have, smartphone pinky generally results from hours of phone use per day. See medical conditions and phablet.
"smartphone pinky." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/smartphone-pinky>.
smartphone pinky. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/smartphone-pinky