What is Monkey Business?
1.
Word for some kind of shady activity.
"Those dogs have some serious monkey business going on." -Dude witnessing a nearby drug deal.
2.
1. comically functioning with little or no reason
That worker is all monkey business.
3.
Selling apes, gorillas, or chimpanzees for profit.
Mark made a killing with his new monkey business, they are going for $1000 bucks a pop!
See
4.
Alright folks. Givin' somebody monkey business, is when you're having sex them with using an unpeeled bannana, and then proceed to poo in your hand and fling it at the person's face.
Dude your mom was being a whore last night after i suprised her with some monkey business.