A word of greeting or farewell to use when chatting online and you want to be inclusive to those who may be in other
time zones.
Comes from the common phrase "Good
morning/night/
afternoon," contracted down into an easily-typed word.
G'mornighternoon, dudes! How'
s it going?
Well, g'mornighternoon everybody! I'm heading off to work (or to
bed, to school, to eat, etc.) now!