Stick to good glass (5)

I believe the answer is:

paste

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

This might be a double definition.

'stick to' is the first definition.
(I've seen this before)

'good glass' is the second definition.
'paste' can be an answer for 'glass' (thesaurus). I'm not certain of the 'good' bit.

Can you help me to learn more?

(Other definitions for paste that I've seen before include "Wallpaper glue" , "Watery cement" , "Soft, malleable material - stick" , "Adhesive; savoury spread" , "Dough - adhesive - gem substitute" .)

I've seen this clue in the Evening Standard.

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