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1.
When a man bends over in front of his partner, grasps each ass cheek firmly, spreading them to expose his rectum. The resulting view resembles a baboon's red ass.
Whenever Pete watches the Discovery Channel, he can't help but think about the great baboon sex he had with Andrew while Ray watched.

OR

Do and Pete fight often, but have baboon sex to make up.
by Total Penetration May 30, 2005