1. The act where more than one male, feels strongly about a particular issue in which other males are affected
1. " I can't believe that John posted all those pictures from the Bucks night on Facebook! I heard Mary demanded to see the pictures. We should Brotest against this action"
Non sexual protection issued by your bros, such as a human wall between you and your ex or saving your ass from a nagger.
So me and my bros were at Target when I saw Fran, my ex. I quickly told my bros, and they provided brotection by forming a human wall to block visual contact between me and Fran.
A watchful bro who looks out for his fellow broskis and brotects them from bromergancies in anyway he can.
This includes stocking up on brotein shakes for the brobeque and the upcoming zombro bropocalypse.