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When a father and son duo blow each other in the 69 position. 69 + an extra dick = 70.
I walked in on Mr. Johannson and his son doing the seventy. Damn, that's one happy family!
by Jonathan Pompadour January 22, 2008
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Dirty Sanchez Plush

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

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