then maybe you're too young to remember that for decades it was just an abbreviation for 'male sibling' mixed with a little "close male friend who's like a sibl

then maybe you're too young to remember that for decades it was just an abbreviation for 'male sibling' mixed with a little "close male friend who's like a sibling". 'bro' has basically completely supplanted 'dude', which waxed and waned before it, and like all fashion, it too will wane.