He needs some hot toddy (4)
I believe the answer is:
otto
'he' is the definition.
(I've seen this before)
'some hot toddy' is the wordplay.
'some' says the answer is hidden in the clue (some parts of the word are used).
'OTTO' is hidden in the letters of 'hot toddy'.
'needs' acts as a link.
(Other definitions for otto that I've seen before include "Producer of engines" , "Italian for eight" , "Oil made of rose petals" , "Preminger or von Bismark?" , "Palindromic fragrance" .)