You can stick it on the wall, maybe (6)

I believe the answer is:

stucco

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

'you' is the definition.
Both the definition and answer are singular nouns.
Perhaps there's a link between them I don't understand?

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for stucco that I've seen before include "Decorative plasterwork" , "Mixture for decorative use on buildings" , "Plaster for coating outside walls" , "Durable finish for walls" , "Fine plaster used on wall surfaces" .)

I've seen this clue in the Evening Standard.

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.