Top Definition
When you pour a liquid into someones vagina and put her legs over your shoulders and drink it out.
I gave Jody Terry a Nasty Mastin last night.
#jody #nasty #mastin #scott #junk
by Scott Junk October 25, 2010
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.