Bovine male and alien shot (6)
I believe the answer is:
bullet
'shot' is the definition.
(I've seen this in other clues)
'bovine male and alien' is the wordplay.
'bovine male' becomes 'bull' (I've seen this before).
'and' is a charade indicator (letters next to each other).
'alien' becomes 'et' (extra terrestrial).
'bull'+'et'='BULLET'
(Other definitions for bullet that I've seen before include "Projectile ammunition" , "Slug" , "Small missile from gun" , "Piece of ammunition" , "Something fast moving" .)