Bolt joined with pins and needles temporarily (10)

I believe the answer is:

fleetingly

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

'bolt' is the definition.
Both the definition and answer are singular nouns.
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 fleetingly that I've seen before include "for a short time" , "for a brief moment" , "momentarily" .)

I've seen this clue in The Independent.

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.