Crossword Genius

It gets a bit touchy and irritating (5)

Ross

I believe the answer is:

itchy

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

'irritating' is the definition.
(I've seen this before)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for itchy that I've seen before include "Bothersome" , "Suffering from a rash?" , "Tingling - desirous" , "Having a desire to scratch" , "Like the feet of the restless" .)

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