To do that which is both unnecessary and uncalled for, for the purposes of self-amusement. Always has a victim, often oneself.
In order for something to be a genuine Castaldo, the thought process behind it must be made immediately before the act, but in a form of retroactive hypothesis. The idea is that before you perform a Castaldo, you think about how amusing it will be in retrospect, as opposed to how irresponsible and dangerous it is in the immediate future.
The Act of being to smart for your own good making every one around you feel stupid and insignificant, and there only purpose in life is to buy you food another trait of a cataldo is the act of buying shoes that are $300 and up and never washing your car this is being a Cataldo.
Don't mess with a Cataldo cause one day they will rule the world with dirty cars and expensive shoes.
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.