
I make one MISTAKE, and she says
she doesn't want to marry me.
The Big Bang Theory Season 12, Episode 12

Well, you, data-entry?
That'd be a MISTAKE.
Breaking Bad Season 2, Episode 7

You killed him by MISTAKE.
Game of Thrones Season 5, Episode 1

Three years. What MISTAKE did I make?
Money Heist Season 3, Episode 8

I hope you won't make that MISTAKE again.
Game of Thrones Season 5, Episode 4