Top Definition
Originally derived from the word Mastodon, this term describes an enormous penis.
Bob: Fuck man it was a total slayfest last night
Me: Shit Bobs got that Mastodong!
by Mr m December 18, 2013

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.

×