Nomen agentis.
A person whom no prior social contact have been made whit. But the estimate is that the odds are even 1:1 to engage in sexual contact whit this person that same night.
Usually a person of lower to even socioeconomic status than the person using the expression.
"See that girl over there? She's coinflip."
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Friend: "I heard that you got lucky yesterday?"

You: "Lucky? It was a coin flip!"
by Emir Andersen September 25, 2007
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a pseudonym pedophiles use to buy and sell Child Pornography, its often used on chatrooms like discord
Hey There Jimmy Check out the stuff the Coin Flip Master has posted in the kid friendly discord staff chat.
by PickledRectum December 09, 2020
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a pseudonym pedophiles use to buy and sell Child Pornography, its often used on chatrooms like discord
Hey There Jimmy Check out the stuff the Coin Flip Master has posted in the kid friendly discord staff chat.
by PickledRectum December 09, 2020
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A booty call with an amount of uncertainty to it. In other words, if you make arrangements expecting sex with the other person, but are not entriely sure the sex is going to happen.
"There is no way I am driving 4 hours for a coin-flip booty call."
by D-Struct September 03, 2005
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Two people flip a coin, winner gets to punch the loser in the groin (:
I heard Lassi punches pretty hard, wanna play coin flip määdnes with him?
by SemiDokaaja October 01, 2021
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A term usually used by older folk to explain what kids are doing when they are actually smoking marijuana
While crouched over the bus Isle in the back, passing a blunt, you and your friends hear the driver yell, "What are you kids doing back there!? Flipping Coins!?
by HighlighterKid July 16, 2018
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