Noun
coin flip (plural coin flips)
Synonym of coin toss
Before Medicare, nearly half of American seniors were forced to go without coverage because insurance companies were reluctant to insure them - making the chances of having health insurance as a senior the same as getting tails on a coin flip. John B. Larson
On the days I'm pitching, it's almost a coin flip as to know if the guys behind me are going to be there to play 100%. Cory Lidle