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This is when you are Having sex with a girl with a prosthetic leg or arm. You take it off and wear it as a helmet while you keep fucking her.
She didn't have a problem with me pulling a Unicorn helmet while fucking her last night. I must say i felt like a is a mythological creature in bed!
by BigBGank March 02, 2010
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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