1 definition by the megadick
The Mustaine is a moustache made of or caked in Santorum. Stems from Dave Mustaine's support of Rick Santorum and his speaking out against gay rights because he is a 'Christian'.
That dude hates gays so much, he's obviously still in the closet. Check out the Mustaine on him, it's obvious!
by the megadick February 22, 2012