A foul-smelling, well-used vagina. Most females possessing a monkey pooch are either lacking the intelligence of the conventional woman or are simply both liars and hussies.
"Kevin, the smell of your girlfriend's monkey pooch could kill a small rodent."

"Kevin! You want to make me feel better than I feel right now?! You want to give me pleasure? Stick your fingers in my monkey pooch!"

"Shit, she had four guys in that monkey pooch of her's."

"Kevin, your monkey pooch - having girlfriend is a liar and a hussy."
by Mattrick McKennedy August 7, 2006
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