Mark: Ya dude, shes a Chick-Bro
Zack: Dude, who are those girls always hangin around you?
Mark: OH! Those are my Chick-Bros. They're so tight.
guys like chickbros because they can trust them and make fun of them without them getting insecure.
a lot of times chickbros get the jokes that their bros tell when their bros &/or girlfriends don't get.
him: "sup chickbro!"