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1.
Buanskin ("Bwun - Skin")

The use of a male genitalia skin as a form of contraceptive.
This is created by the surgical removal of the insides of the testicals, but leaving the stretchy scrotal skin (scrim) intact. This is then stretched over another penis when required.
"Man, Edward Norton would make a great Buanskin"
"I forgot the condoms, do you think John is up for a Buanskin?"
by kefekefe December 18, 2011
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