The French boy (3)
I believe the answer is:
I believe this clue is a double definition.
'the french' is the first definition.
(plural form of 'the' in French)
'boy' is the second definition.
(short for Leslie)
(Other definitions for les that I've seen before include "Boy's name (abbr)" , "French article; name" , "-- Dawson, English comic" , "French definite article" , "- Dawson, Br. comedian" .)