Rubbing ones genitals in a quick exciting fashion to fruition like a Rhesus monkey. This act would happen several times an hour.

when you're hungover as shit after a spending a night drunk as a skunk

To prove to a know-it-all that just because you read it on the internet does not make it right. Ie., 3000 monkeys with typewriters could produce Shakespeare.

The act of sex while one or both participants hangs from an object such as a pipe. It is very difficult to achieve sex while both participants are hanging, so I advise that it is done while only one person is hanging.

When a dude masturbates on his back with his legs spread eagle and quacking. Must yank penis violently every two to three seconds. (Pencil dicks recommended) To finish a monkey style one must rupture dick tissue and cum on one face.

The act of doing it doggy style, then quickly pulling it out and ramming it in her butt. After ejaculation, quickly pull out and she will then fart out a big wad of crap stained jizz. When she turns to look at you like WTF? you proceed to scoop it up and throw it in her face, just like a monkey.