Where you'll find Douglas bonking Alf and Simone? (4,2,3)
I believe the answer is:
isle of man
'where you'll find douglas bonking alf and simone?' is the definition.
The answer is a location as well as being a singular noun. This is suggested by the definition.
This is the entire clue.
Can you help me to learn more?
(Other definitions for isle of man that I've seen before include "'It's in the Irish Sea (4,2,3)'" , "directed by Douglas" , "Here are Peel, Douglas" , "British Crown possession" , "Its cats are said to be lacking tails" .)