Strip naked. Chain to a wall. Have a huge vat of vinegar/lemon juice mix slowly trickle down upon him. And then proceed to fire a nail gun at 'im occasionally. Making sure to slowly proceed to bigger nails to make sure that he doesn't get numb to it.
Oh- all the while playing an endless loop of viral internet memes on full-blast.
Put you in a UV tanning booth, lock you inside, and turn the settings to high. You'll either die of :
a)Dehydration
b)Heat Exhaustion
c)UV radiation
d)All of the Above.