Crossword Genius

Fastened by the driver (7)

Ross

I believe the answer is:

screwed

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'fastened' is the definition.
(screwing is a kind of fastening)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for screwed that I've seen before include "tight?" , "in serious trouble" , "Swindled; twisted into place" , "Fastened - cheated - drunk" , "secured into position" .)

I've seen this clue in The Globe and Mail.
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