orginating from russia, this slang is used as a term of endearment for a close friend. typically used to get a bros attention when he is acting out of line, or is unaware of the situation at hand.
guy one: "hey broslovski, you need to slow your fucking roll."
guy two: "my bad!"
person: "let's go play donkey kong, broslovski!"
broslovski: "fuck yeah let's go play donkey kong!"