A brokumi is a bro who has excelled to the highest level of brodom. All bros look up to a brokumi, and strive to one day join the brohood of brokumis. It is still unknown how becoming this bro is humanly possible.
Bro 1: "Dude, holy shit...is that a brokumi?"
Bro 2: "Whoa bro, thats totes a brokumi, lets go see if he'll give us a fist bump"