What is Phone-check?
1.
The process of reaching your left or right hand to your left or right pocket to check if your phone is there. People usually do this every 15 minutes, especially if they're sitting.
Becomes popular among people if they've lost a phone once.
John: Hey Mike, I've been noticing that you've been reaching to your nutsack every 15 minutes.
Mike: Naw dog, I'm doing a phone-check.
See
