Cut his hands and feet off....AAAAh......hahahahaha!

Then let slip the dogs ! Preferably Poodles [for elongated agony]

Then invite his parents round for "Dinner" and feed them his Scalp with a nice Chianti and some Farther Beans.....AAAAh.....hahahhahahahahah

Then as they get up to leave ....Bill them for your trouble...AAAAAAh....etc