Hahahaha
I saw the guy who documented it live as part of the Ignobel Prize awards tour last year.
improbable.com/improbable-research-shows/ig-uk-tour/
Here he is with the duck in question:

(The rapee not the rapist)
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Fishcat Difficult difficult lemon difficult.,
Sun 27 Jul 2008, 23:10,
archived)
do you think he kept the duck as a love momento?
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SkUG >_O i got a couple of stitches in my eyeball... ow,
Sun 27 Jul 2008, 23:13,
archived)
Wank aid
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Fishcat Difficult difficult lemon difficult.,
Sun 27 Jul 2008, 23:20,
archived)
....thats the terminology i was thinking of!
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SkUG >_O i got a couple of stitches in my eyeball... ow,
Sun 27 Jul 2008, 23:25,
archived)
Has he got his hand up its arse?
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Quijibo Esq. BSc. May contain traces of nuts,
Sun 27 Jul 2008, 23:38,
archived)