Penis.

Note: Most effective when said with thick Aussie accent and preceded by "me" rather than "my".
Kate was so excited to finally see me skin winch.

Nah bro, the missus has to work tonight so I'll just be at home yankin me skin winch.

No homo, but Dave has the biggest skin winch I've ever seen.
by WackoJacko11 July 1, 2017
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