A Bromeleon, commonly known as bro, is another name for the sort of person who listens to the same music as everybody else, wears the same clothes, says "whats up bro", and by instinct, just tries to blend in with the rest of the crowd. Kind of like a chameleon but browise.
Terri: Dude, kegger at my house bro, tons of chicks, lots of lil' wayne, yeager bombs up the ying yang . And can you say beer pong?
Ken: Bro!, all I'm sayin is I hope you got your fade.
Terri: Fade and a popped collar!
Sid (in his head): Total bromeleons