Where you quite simply stand in a telephone box staring creepily at passers by. Using the telephone is not needed as the point of this skill is todisturp and make other people feel uncomfortable.
'Shit that guy was telephone boxing me!"
"Lets go telephone box the shit out of some unsuspecting punters"
A greeting, an expression and a feeling
Or just a way to express emotions
(Jayden)Hey teejay how are you
(Teejay)Telephone BOXX
(Jayden) ahh ok