Crossword Genius

Touring Portugal, wine, say, to which guy becomes attached? (4,3)

Ross

I believe the answer is:

tent peg

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

'touring portugal wine say to which guy becomes attached?' is the definition.
Although both the answer and definition are singular nouns, I don't understand how they can define each other.

'touring portugal wine say' is the wordplay.
'touring' is an insertion indicator (touring can mean going round).
'portugal' becomes 'p' (common abbreviation eg on car number plates).
'wine' becomes 'tent' (type of Spanish wine).
'say' becomes 'eg' (both can mean for example).
'tent'+'eg'='tenteg'
'p' put into 'tenteg' is 'TENT-PEG'.

Can you help me to learn more?

(Other definitions for tent peg that I've seen before include "Guys will become attached to me" , "used to make a guy secure" , "Fixer for guy" , "Camping equipment" , "A guy could get attached to that" .)

I've seen this clue in The Telegraph.
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