### Clue: Daring Charles, say, to take cocaine (4)
### Answer: RACY 
 ### Explanation: Definition: Daring
  RAY(~~someone,say with the name Charles~~ Edit.note: Per comments #3&10: Charles,the late R&B performer, someone,say with that name ) **containing**(to take) C(abbrev. for $$c$$ocaine)