A teenager who emits an aura of obnoxiousness. Also typically picks fights and looses and always talks back to people of authority. Looks like a rodent.
A ratboi is a type of player in Rainbow Six: Siege who will purposely choose recruit and use the M870 as their primary weapon. Ratboi can be used as a noun, and as an adjective.
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.