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to deficate in another persons (ie. partner) mouth.
"Sandy and Fred like to experiment on each other by giving each other large steamy hot lunches"
by Joe King March 05, 2004
When a hot and bothered male pinches a loaf off into the gaping mouth of his degraded female counterpart. This is normaly washed down with a few worm shots of the males "duck butter"
by Radi June 18, 2004