Crossword Genius

Unfriendly enough to take one for a ride? (5)

Ross

I believe the answer is:

sulky

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'ride?' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for sulky that I've seen before include "Morose" , "Petulant" , "Moody" , "Sullen" .)

I've seen this clue in the Evening Standard.
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