Word for some kind of shady activity.
"Those dogs have some serious monkey business going on." -Dude witnessing a nearby drug deal.
by osmo2 January 18, 2004
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Monkey business describes an activity where one is up to no good, but is not doing anything too harmful. Monkey business does not cause you to get arrested but will provide a good laugh. From prank phone calls to leaving rare pepes on your friend's doorstep, monkey business is a great sleepover activity for all to enjoy!
Cindy Robes: What's the plan for Saturday night??
Mark Icecreambars: Shit's going down at Jon's place!
Jon Earwig: Yeah, we're gonna do some real monkey business!
by craZy chRi$ September 01, 2015
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1. comically functioning with little or no reason
That worker is all monkey business.
by Neviar September 28, 2003
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Selling apes, gorillas, or chimpanzees for profit.
Mark made a killing with his new monkey business, they are going for $1000 bucks a pop!
by Preesty May 04, 2007
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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.
by Zack Connolly July 09, 2005
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It means all of the following: crazy shit, being shady, lies. You tend to use the term casually.
Girl: Can you let me borrow some cash? I'll pay you next week.

Dude: I don't think so, that sounds like monkey business.
by Lucifer firefly February 26, 2012
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word for any kind of shady activity, devilry, devilment, tomfoolery, dishonesty, trickery, chicanery, skullduggery, shenanigans, mischievous, devilish and deceitful behavior. It also means by all the following: being on any crazy stuff, down low, lies, being shady, disrespectful, playing someone, and secrecy.
Tamika's best friend, Brooke, is hooking up with her little brother, Trevon, because she think he's really cute and be thinking try to seduce him. Then, whenever later, she played him.

*(Brooke walk up to Trevon)

Brooke: I just want to let you know you are really cute. We'll be dating tomorrow.
Trevon: Thank you. Okay, cool.

Then, very next few weeks. She played him.

*Trevon (thinks and say to himself): It seems to me, this is all just monkey business.

Later, Tamika found out her best friend been playing her little brother and be on and doing some stupid stuff. Trevon already told his sister on her. They're no longer best friends.
by HotCincy92 April 11, 2015
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