Crossword Genius

It's painful when penny's pinched from pocket! (4)

Ross

I believe the answer is:

ouch

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

'it's painful' is the definition.
(expression of pain)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for ouch that I've seen before include "Expression of pain" , "Exclamation of sudden pain" , "Shout of pain" , "Cry of pain" , "Pained expression" .)

I've seen this clue in The Independent.
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.