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.
Someone who jumps from one relationship immediately into another one.
Serial monogamists can not stand to be alone and often suffer from vast commitment and insecurity issues.
Because they jump into relationships immediately after the previous one has ended, serial monogamists typically don't take the time to reflect on their behavior or why their previous relationships failed; thus, they end up making the same relationship mistakes over and over again.
Person 1: Damn, Dustin already has a new girlfriend?! It's only been two weeks since he broke up with his fiance! I think he's a sociopath.