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A mathematical way to have sexual intercourse.
He: Honey, what hole are you looking to have filled?

She: I’m so horny … try ‘em all. Let's fuck by the numbers.

He: OK, I think I will go around the horn. I’ll start with numero uno (mouth), proceed to #2 (pussy), then finish in #3 (ass).

<Fuck cycle can be a continuous loop, or can be mixed up a little … going, for example … 3,2,1 or 3,1,2 or 2,3,1, or 2,1,3 or 1,3,2. The introduction of both nostrils … holes 4 and 5, can be added to spice things up a bit.>
by Ginny P. December 15, 2011
7 1