A hybrid between the Spanish word muchacho meaning "a young man" and the slang English word "Bro"
It's a slang term of endearment that works interchangably with the word "Bro"
As made infamously famous by "Hot Cop" Daniel Rengering on Survivor. Brochacho(s) is a noun to describe a group of males, usually a pack, that bring a certain skill to a group of said men, making them near untouchable and needed by others. This pack is known to choose who is deamed a "Brochacho" by calling them by the word Brochacho.