fat chance

Idioms  

1. Very little or no possibility, as in A fact chance he has of coming in first, or You think they'll get married? Fat chance! A related expression is a fat lot, meaning “very little or none at all,” as in A fat lot of good it will do her. The first of these slangy sarcastic usages dates from the early 1900s, the second from the 1890s.

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Example Sentences

My Dad laughed and said something to the effect of “fat chance.”

From Los Angeles Times

But fat chance California would do that anyway.

From Los Angeles Times

I hoped that didn't really mean: fat chance.

From Salon

There’s fat chance much of that will carry over into the Gritty meme war.

From The Guardian

A fat chance I had of laying my hands on a gun.

From Literature