An object that has come into contact with jizz/semen... generally a large amount. These object's are usually owned by people named Erin.
by NotAnyoneCool January 29, 2009
Get the Erin's Shirtmug. Get the Erin's Shirtmug. Get the Erin's Shirtmug. Get the Erin's Shirtmug. We'll email you a link to sign in instantly.