Phoneflower 

Someone who relies on their phone as a source of comfort or distraction as a result of feeling shy, anxious, depressed, or otherwise excluded from a party/bar/social setting

synonym: wallflower (now antiquated)

At parties I try to socialize but always end up being a phoneflower

Phoneflower by G10vanni July 28, 2023

phonelover 

Someone who leaves the hommies to celebrate with his girlfriend on the phone after hitting a last second shot to win the basketball game

Stop talking you damn phonelover and celebrate with us.

phonelover by Anonymous April 16, 2003