look up any word, like lemonparty:

To constantly have one's phone in hand. Whether it is for work, personal organization, entertainment, or research, the phone is always being used.

OPD is most typically seen with excessive iPhone use but can be any device that is used more than 60% of the time.
He suffers from a serious case of Obsessive Phone Disorder. I can only remember one time when he didn't have his phone in his hand.
by Montizzl3 July 12, 2010