Top Definition
A pronounced underbite.

When the bottom teeth sit ahead of the top row of teeth due to the jaw jutting forward.

The clinical term for a shamgab is 'malocclusion'.
Check the shamgab on that big diddy - he looks like the banjo player out of Deliverance.
by stoatthebaw March 26, 2009
5 Words related to Shamgab

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.

×