To change someone's homepage to meatspin.com and turn their computer's sound up to full blast while they are not looking.
Chris just meatspun Eland while he was talking to Katy.
What you are after being tricked into visiting www.meatspin.com (a shock site featuring gay anal sex and a spinning cock.) See also meatspin, goatse, tubgirl and lemonparty.
Dude 1: "I just barfed big time!"
Dude 2: "Why so, Dawg?"
Dude 1: "Cletus just tricked me into visiting meatspin.com."
Dude 2: "Dah!! Meatspun! My man, you is meatspun!"