Here are a few juicy gems :
Watch that scene in Jurrasic park where Dr. Ellie checks the dinosaur droppings in slow motion while eating chocolate ice cream
Play Knack on Hard (sorry Steve)
Pick up Ross's to and from school for the week
30 minutes of Jeff Goldblum impersonations
Does sniffing the winner's sock count as revolting?
Does miming striptease (while fully clothed) count as sexual?
Does making bad puns for a significant time count as revolting?
Does registering a website of the looser's name suffixed by 'IsBalls.com' count as sexual?
For the looser that drinks, Disney's signature Green Python from the Rainforest Cafe ( http://disneyworld.disney.go.com/media/wdw_nextgen/CoreCatalog/WaltDisneyWorld/en_us/Media/InternetMediaType/Dining/RainforestCafeDTD/rainforest-cafe-dtd-menu-allday.pdf )
Getting slapped by one of those japanese slapping machines