Top definition
A greeting you use when you are talking to someone from the other side of the world when it is the night for you and afternoon for the other or vice versa.
John from Australia is on video chat with Jane from America. They bid each other "Nighternoon" before Jane goes to sleep, for it's 10 PM in America and 2 PM in Australia.
by CWongster February 27, 2013
Get the mug
Get a Nighternoon mug for your mother-in-law Zora.