Opposite of uppity; one who believes being from a lower social status makes them a better person than someone else.
This definition has arisen from a shift in American culture towards the celebration of a success story.
Just because both my parents are lawyers, John doesn't have to act all downity to me, I still treat him the same as should he.
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.