Crossword Genius

Crooked cop worked to import drug for drummer? (10)

Ross

I believe the answer is:

woodpecker

I'm a little stuck... Click here to teach me more about this clue!

'drummer?' is the definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.

'crooked cop worked to import drug' is the wordplay.
'crooked' indicates anagramming the letters (a crooked or disrupted version of the letters).
'to import' is an insertion indicator.
'drug' becomes 'e' (E is another name for ecstasy).
'cop'+'worked'='copworked'
'copworked' is an anagram of 'woodpeckr'.
'woodpeckr' enclosing 'e' is 'WOODPECKER'.

'for' is the link.

Can you help me to learn more?

(Other definitions for woodpecker that I've seen before include "Knocking bird" , "Bird that drills holes" , "Tapping bird" .)

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