Crossword Genius

‘You’re awful! You’re terrible! Stupid mistake!’ (3-3)


I believe the answer is:


I'm a little stuck... Click here to teach me more about this clue!

'mistake' is the definition.
(I know that boo-boo is a type of mistake)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for boo-boo that I've seen before include "Mistake" , "Clanger" .)

I've seen this clue in The Guardian.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.