flip a coin

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flip a coin

1. Literally, to throw a coin into the air, with the outcome of something dependent on which side of the coin lands face-up. My brother and I used to flip a coin to decide everything when we were kids.
2. By extension, to give something over to chance, especially when two opposite outcomes are equally likely. At this point, we're just flipping a coin whether the car will get us the whole way to Denver or not.
See also: coin, flip
References in periodicals archive ?
JON WALTERS and Robbie Brady flipped a coin to see who would inherit Robbie Keane's famous No10 shirt.
So we flipped a coin for it and I ended up getting it.
One participant who marked that 3000 of 5000 flips was more likely to occur seemed to contradict that answer with the explanation: "It seems more likely that if you flipped a coin that many times (5000) that it would be closer to 50/50, where as 3 out of 5 isn't far away from 50/50.
Each coach flipped a coin at the all-league meeting at Quartz Hill on Saturday morning.
AN AMERICAN judge has ordered a retrial after a jury flipped a coin to convict a man of murder.
5) Ben-Or and Linial [1989] observed that with a restriction to fair coins, Harper's isoperimetric inequality for the hypercube [Harper 1966] implies that the majority function gives the least power to an off-line adversary that can see all coins before deciding which to change (a one-round protocol), and conjectured that a similar result held for multi-round protocols in which n processes repeatedly executed rounds in which each flipped a coin and the adversary could control all coin-flips of a process once it was subverted.
A JUDGE has ordered a retrial after jurors who couldn't decide whether to convict a man of murder or manslaughter flipped a coin to reach a verdict.
Valens and guitarist Tommy Allsup flipped a coin to determine who would fly out with Holly and the Big Bopper.