phubbing
/ˈfʌbɪŋ/noun [mass noun] informal
The practice of ignoring one's companion or companions in order to pay attention to one's phone or other mobile device: phubbing is just one symptom of our increasing reliance on mobile phones and the Internet
Origin
2012: blend of phone1 and snubbing (from snub); coined by an Australian advertising agency as part of a marketing campaign for the Macquarie Dictionary.