Meaning:
Having confidence in a specific outcome; being almost sure about something.
Examples:
- There's something amiss And I'll eat my hat if this isn't love
- There's some connection in all this or I'll eat my hat.
- And if they suspend Schulz, I'll eat my hat.
- I'll eat my hat if, by some chance, my team loses to yours.
- If he's 13, I'll eat my hat.
- I'll eat my hat if that's true.
- If you cry, I'll eat my hat.