The action of leaving a call without saying goodbye or anything

It is also known as gregging

Greg is the coolest man in the world, the person who everybody knows and loves. Greg is the best and fairest person you would ever know.

i guess you looked it up...

Greg is the cult of Denny Gorbzalez.
join now to get your soul sucked away by a mischievous little nutcracker dude

The fastest growing army on the internet,
(Don't look that up)

An unattractive man that should always wear his glasses who manages to get beautiful girls despite his looks. Usually short; always beady eyed.

Greg is someone who thinks wifi causes autism and who tells you the best time to nap.

Definitely into threesomes and converting people to his ways.

George from 1600.io, Yale alumnus