Clue: Spooner could polish off this limerick writer, son, in a stroke! (5,4)
Answer: CLEAR SOUP
Explanation: Spooner could polish off this limerick writer, son, in a stroke! (5,4)
(Edward) **LEAR** ("limerick writer") + **S**(on) *in* **COUP **("stroke"), so **C(LEAR-S)OUP