A more familiar and friendly way of calling someone "bro". Broesy, brozay, and brosay can be used pretty interchangeably as the derivations are the same - all stem from bro. "Brosay" can only be used when getting the attention of or addressing someone with whom you're friendly, whereas "bro" can be used more broadly (in a friendly or non-friendly way). A combination of the spelling of broesy and brozay, its subtelty is recognized only by the most picayune of spellers
"brosay, that guy really hooked you on calls that match."
"damn, brosay, you looked so fukkin twisted last night. Was that you pissing out the bus window?"