As a slang thesaurus in general? Groupon coined nearly every term in that particular list...
If you're looking for terms that are in wider use, I maintain a slang thesaurus. (The only free one on the web, actually.) Here's the body parts category for comparison's sake:
(Caution: Many slang words relating to anatomy are not work-safe.)
Some are specifically highlighted as being coined or not coined by Variety, and the rest are just left ambiguous.