Crossword Genius

In two years, our neighbour catches cold - that's disgusting (5)

Ross

I believe the answer is:

yucky

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

'disgusting' is the definition.
(I know that disgusting can be written as yucky)

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

Can you help me to learn more?

(Other definitions for yucky that I've seen before include "Messy, disgusting" , "Revolting" .)

I've seen this clue in The Irish Times.
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