Head for Brazil, perhaps (3)
I believe the answer is:
nut
I believe this clue is a double definition.
'head' is the first definition.
(informal term for somebody's head)
'brazil perhaps' is the second definition.
(brazil is a kind of nut)
'for' acts as a link.
(Other definitions for nut that I've seen before include "Cashew, for example" , "Head (slang)" , "Fan" , "'Almond or cashew, say (3)'" , "Large, hard-shelled seed" .)