was once the name of an actual gate, located in London. It was the site of a fish-market, which took on this name in the 14th century. The market was famed for the vulgarity of the fishmongers’ speech, and so billingsgate came to be synonymous with abusive and coarse language.
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.