Top Definition
(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
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.