Can he cook deer by the kilo? (5)
I believe the answer is:
derek
'can he' is the definition.
'Derek' can be an answer for 'he'. I'm unsure of the 'can' bit.
'cook deer by the kilo?' is the wordplay.
'cook' indicates anagramming the letters.
'by' is a charade indicator (letters next to each other).
'the kilo?' becomes 'K' (phonetic alphabet: alpha, bravo, charlie etc.).
'deer' anagrammed gives 'dere'.
'dere'+'k'='DEREK'
Can you help me to learn more?
(Other definitions for derek that I've seen before include "- and the Dominos was Eric Clapton's band" , "Sir - - Jacobi (actor)" , "Fellow" , "Man's name" .)