Top Definition
The ring of black or brown resin you get around your mouth from smoking out of a dirty bong.
When I get famous like Marylyn Monroe and they ask me what I wear to bed I'm going to say, nothing but my Bongstache.
by Evolving door November 25, 2013

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.