Caledonian stupefied by drink ingests Charlie (8)

I believe the answer is:

scottish

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'caledonian' is the definition.
(Caledonia was the Latin name for Scotland)

I don't understand the remainder of the clue.

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(Other definitions for scottish that I've seen before include "Costs hit this nationality badly" , "So stitch up to be like Angus or Jock" , "From north of the border" , "tongue" , "from 18 [MORAY], say?" .)

I've seen this clue in The Telegraph.

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