The act of measuring your own erect penis and shoving that amount of banana down your throat. Used to determine if you could give yourself a deepthroat bj.
Person 1: dude did you try the banana bj deepthroat?
Person 2: not yet.
Person 1: bruh, stop being so gay and do it already.
Person 2: not yet.
Person 1: bruh, stop being so gay and do it already.
by sarcasticunion August 29, 2014