If anyone is still interested in this concept (It is weird, I'll admit that...) I just posted a story in the series I've been writing called Clowntopia.
It's called Wacky Weed -
http://darkdonny.deviantart.com/art/...Weed-159119553
loosely inspired by Lorekeep's Puff Puff Shrink (in so much that, I got the idea of TFs caused by smoking from the story) and an RP i did with a friend.