Clue: Patsy forced to fast? Finishes off Limoncello, Cointreau, cognac and Scotch (1,4,5)
Answer: A SOFT TOUCH
Explanation: Definition: Patsy
A charade of ASOFTT, an anagram ('forced') of 'to fast', plus OUCH ('finished off Limoncell**O**, Cointrea**U** cogna**C** and Scotc**H**'.