### Clue: … put a whiskey into another drink to catch a boy (6)
### Answer: GAWAIN 
 ### Explanation: Definition: boy
An envelope ('to catch') of 'a' (the second one in the clue)in GAWIN, another envelope ('put … into') of 'a' (the first) plus W (radio code 'whiskey' – note the spelling) in GIN ('another drink').