Ride like this for dosh? (9)

I believe the answer is:

roughshod

'ride like this' is the definition.
(a horse may be roughshod)

I cannot understand how the rest of the clue works.

(Other definitions for roughshod that I've seen before include "With horseshoe nails not fully driven home" , "(Of a horse) given uneven shoes to prevent sliding" , "the domineering ride it over others" , "Like some horses" .)

I've seen this clue in The Guardian.

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