Bro is international!
If this is for school I don't suggest it. But you could say: Come at me bro! Or You mad bro!
bro, sis
Aloha; Hele mai, Bro [haylay my, Bro]
фейерверк
Cinamon
in chinese, it's " he "
SREKjEN - on Macedonian
Junge or Bub
in spanish it is libertio
Afrikaans = Donker
Infierno, spanish
Itaalian conforto