Game played when you are unsure if you're going to fart or shit. The probability is usually equal.
If you pull my finger, we'll play 50-50.
by Joel TK May 25, 2005
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A joint that is rolled up with about half weed and half tobacco. It makes the smoke much more light and easy to get a good smoke if you don't have a lot of green left. Note: 50/50s get you higher than you may think.
Yeah, we rolled a 50/50 and smoked it as we walked to our intramural soccer game.
by Major November 24, 2004
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A strategic move when you shave have of your mustache to clean anothers ass. It works when the hairy half brushes the feces onto the shaven side. This leads to the perfect combination of a babies asshole and a Obama Bin Laden's face. Then they proceed by licking the leftover feces and digesting it. Also known as the Swiffer Sweeper.
I wish my man would do a "50/50".

Never thought a man with a "50/50" could be so attractive.
by VisualistTV December 15, 2018
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The Police.

50, pronounced "five oh", means the cops. It comes from the cop show Hawaii 5-0, and IT HAS JACK SHIT TO DO WITH MOTHERFUCKING CROWN VICTORIA'S, YOU STUPID MARK!!
by Carl Johnson December 14, 2004
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To smoke a tobacco and marijuana in a water pipie
by Cdhdk March 10, 2017
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