The practice of ignoring a companion,acquaintance or significant other in order to pay attention to one's phone or other mobile devices.
Jenni: "So i'm trying to figure out what to do for Easter weekend,I dont know if I want to visit my family for supper or go to the movies with Jordan"
Kendra: *pretends to listen to Jenni talk about her Easter plans while going through her Instagram page trying to upload her selfie*
Jenni: "SERIOUSLY KENDRA!!!! YOU ARE PHUBBING ME AREN'T YOU? 👿👿👿"