### Clue: Jester may take this Scandinavian drink with added extra (6,4)
### Answer: MICKEY FINN 
 ### Explanation: Definition: drink with added extra
 MICKEY(jester/one who teases/takes the mickey out of you) + FINN(one from Finland, a Scandinavian country).
Defn: …/spiked with a drug surreptitiously added to knock out the drinker.