(n.) similar to a broner. What occurs when a man is hanging out with his bros, and his penis becomes semi-erect.
Bro: "no homo, but I totally have a bubchub going on."
by Bubbub August 12, 2012
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from email@example.com. We'll never spam you.×