1. An unfathomable moron The word JackMonkey was origonally a derivative of "jack off" that was created in a moment of absolute frustration. The defining factor of a JackMonkey is their inability to grasp even the simplest concepts that are new to them.
I tried to teach that JackMonkey to tie his shoes but all he managed to do was get his fingers stuck in knots.
A man who likes the taste of his own cum and enjoys drinking it, preferably after butt-sex, but not mandatory.
This person tends to be a douchebag, and is also usually very narcissistic. He thinks his cum tastes better than everyone elses.
"I can't believe Russ is a manager now."
"I know. He's such a douchebag. Did I tell you that after we slept together, he took off the condom and drank its contents?"
"Wow. What a jackmonk."
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.