"*john walks in the room wearing a sweatshirt with three greek letters on it matt: "so are you bro-ing today john?" john: "i sure am matt
"wearing one's frat letters in order to represent your fraturnaty
""*john walks in the room wearing a sweatshirt with three greek letters on it matt: "so are you bro-ing today john?" john: "i sure am matt" What is the definition of "bro-ing"?