A perspective or insight provided by a bro to another bro often times concerning a poor choice or decision made by the fellow bro. Brospective is used to maintain a "bro" mentality and make certain that everything stays chill.
Justin: "From my brospective your girl is F***n psycho, and she's the only reason we cant chill anymore"
TJ: "Nah man.......its cool."
(its not cool)