A word people say to add literally nothing to a conversation. It could literally mean anything you want and may sometimes be misinterpreted.
dude 1: i love cheese hbu
dude 2: bruh
dude 1: wtf bro i just asked a question and you didn't even answer you just said bruh like a dumbass try using fucking english next time *sob* I asked because I care ok? geez I didn't know you were this much of a fucking dickhead *walks away*
dude 2: bruh