Men biting animated dog (5)
I believe the answer is:
corgi
'dog' is the definition.
(corgi is a kind of dog)
'men biting animated' is the wordplay.
'men' becomes 'or' (I've seen this in other clues).
'biting' indicates putting letters inside (bite can mean to puncture or penetrate).
'animated' becomes 'cgi' (abbreviation for computer generated imagery).
'or' going within 'cgi' is 'CORGI'.
(Other definitions for corgi that I've seen before include "Dog of Welsh breed, royal favourite" , "Welsh breed of short-legged dog" , "One of the Queen's dogs?" , "Royal canine" , "Little dog" .)