I should think the judy's spoons position would be a good start, Wencho.
Now, I'm going to unashamedly highjack your thread with a (sort of) related joke, (another I couldn't resist sharing as I know you all share my somewhat warped sense of humour).
Here goes...
After a long night of making love, the guy notices a photo of another man, on the woman's nightstand by the bed. He begins to worry.
'Is this your husband?' he nervously asks.
'No, silly,' she replies, snuggling up to him.
'Your boyfriend, then?' he continues.
'No, not at all,' she says, nibbling away at his ear.
'Is it your dad or your brother?' he inquires, hoping to be reassured.
'No, no, no! You are so hot when you're jealous!' she answers.
'Well, who in the hell is he, then?' he demands.
She whispers in his ear
'That's me before the surgery.' ...