When you know someone constantly lies and is very phake you become increasingly on edge around them. Phying is a verb that describes the action of actively identifying and calling-out these lies when you can no longer take their crap.
"You know she just says so much stuff that's not even true. I am at the point where I am constantly phying around her"
By Dell
Phy
Typically means Physical Layer of the OSI Reference Model. In rare cases this alias is used on the internet for your typical camwhore.
I need thisPHY to work properly or my connection to the network will be FUCKED!
Dat Phy is teh h0t c4mwh0r3 bitch.