no-goer

Noun

 * 1)  Something that has no chance of success; a non-starter
 * 2) * 2012, Kerry McQueeney, 230 calories a minute for 26 minutes: Hungry diner takes café challenge and polishes off gut-busting 6,000-calorie breakfast in record time (in Mail Online, 7 February 2012)
 * Ellie Hambling, from HeartCare Cardiac Support Group, said: 'It would absolutely ruin your heart. It’s a no-goer I'm afraid.'