Big boy (3)
'boy?' is the definition.
(boy's name)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for ben that I've seen before include "inner room in Oban, say" , "& 3 Across Epic film" , "A Big London clock tower" , "Tropical tree" , "Scottish mountain peak" .)
'big boy' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for man that I've seen before include "Valet" , "Irish Sea isle" , "Individual" , "Chap" , "Isle of . . ., . . . o' war" .)