Crossword Genius

Does what's on all sides today in winter, perhaps! (7)

Ross

I believe the answer is:

shivers

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

'does' is the definition.
The definition and answer can be both related to bodily activities as well as being verbs in their -s form.
Maybe they are linked in a way I don't understand?

I don't understand the remainder of the clue.

Can you help me to learn more?

I've seen this clue in The Irish Times.
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