Mike Portnoy from Dream Theater's catchphrase. He even hid it in a song in morse code. And he says it a lot too. I find it hilarious, and it can be used in the way you think it could be used.
Teacher - Now, you guys have a 10 page essay due in a week. Muhahahahah!!!
Student - Eat my ass and balls
Student - Eat my ass and balls
by Jordan Rudess September 18, 2007