Trifecta

The process of dating males or females that are in another family; The goal is to date them all and this is considered a trifecta.(if there is three of them)

The word can be substituted for number in the family. Ct- Quintfecta, Duelfecta, etc.

Completing a trifecta or its other forms is considered a form of ultimate win.

Guy 1- "Dang dude you dated the twins and their younger sister?"

Guy 2- "Yep, I completed the trifecta"