Hope Crosby's enjoying 'Sleigh Ride'? (7)

I believe the answer is:

bobbing

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'enjoying 'sleigh ride'?' is the definition.
I can't judge whether this defines the answer.

'hope crosby's' is the wordplay.
'hope' becomes 'bob' (bob hope).
'crosby' becomes 'bing' (bing crosby).
'bob'+'bing'='BOBBING'

Can you help me to learn more?

(Other definitions for bobbing that I've seen before include "jumping up and down" , "going up and down" , "taking a quick bow" , "Curtseying; cutting (hair) short" .)

I've seen this clue in The Independent.

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