Nibbles suit pub for recital (5,2)

I believe the answer is:

tucks in

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'nibbles' is the definition.
The answer and definition can be both related to consumption as well as being verbs in their -s form.
Maybe there's an association between them I don't understand?

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

Can you help me to learn more?

(Other definitions for tucks in that I've seen before include "has hearty meal" , "Greedily eats" .)

I've seen this clue in the Sydney Morning Herald.

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