eat your hat

eat (one's) hat

A humorous action that one will allegedly take if something very unlikely happens. Kevin is always late, so if he actually shows up on time, I'll eat my hat.
See also: eat, hat
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

eat your hat

mainly BRITISH, OLD-FASHIONED
If you say that you will eat your hat if a particular thing happens, you mean that you do not believe that it will happen. I will eat my hat if the Social Democrats get in at the next general election. He has promised to eat his hat if he is wrong.
See also: eat, hat
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
See also:
References in periodicals archive ?
SUGAR BOWL: Should you ever threaten to eat your hat, make sure the milliner is Alison Tod.
HELP ALISON EAT HER SWEET HAT
So, prepare to eat your hat - this is a decent adventure made all the more appealing now it's on video.
GO:VIDEOS: CLIMBERS TAKE IT TO THE LIMIT
Well, next time you're cooking up a quick pasta, you can eat your hat. Cunningly fashioned into little sombreros, Il Pastaio Matto Sombreroni are handmade from durum wheat, tomatoes, beetroot, saffron and spinach.
food: look out for..
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