Dark drink with plenty of body? (5)

I believe the answer is:

stout

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

'dark drink' is the definition.
'stout' can be an answer for 'drink' (stout is a kind of drink). I am unsure of the 'dark' bit.

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for stout that I've seen before include "Fat; dependable" , "Heavily built; drink" , "Strong; drink" , "of above-average weight" , "Fat - strong" .)

I've seen this clue in The Globe and Mail.

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