A friend that isn't really your friend. Tends to be a friend of friend you met but have yet to establish a true form of bromance (see; bromance) Form of Bro. Commonly referred to as the first bro under the standard 'bro' on the bro scale. Also known as the second bro.
Hey bro... Yeah bro? Whos house are we going to again man? Aw.... Just 1 of my Brossociates.