Looking for Rodney as a size-queen...

[patk.livejournal.com]

...with a hankering for John's bigger than average ... uhm ... equipment.

I would be very grateful if someone could recommend the one or other story.

So far I've only found stories where it's the other way around with the exception of Devildoll's hilariously funny "Jelly Side up" - though that's not what I'm looking for.