Top Definition
When someone puts the whole of their mouth around the top of the bong instead of inside the lip.
davy hume totally did the mong bong on that cone.
by humey swingers May 16, 2009

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×