Makes edgy progress with boys (6)

I believe the answer is:

sidles

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'makes' is the definition.
The definition and answer can be both to do with motion as well as being verbs in their -s form.
Maybe they are linked in a way I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for sidles that I've seen before include "Walks sideways like crab" , "Move sideways or furtively" , "Moves sideways" , "Approaches obliquely" .)

I've seen this clue in the Evening Standard.

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