1.1A person who is very aggressive in their defence or support of someone or something: he was accused of being an all-purpose attack dog for the government
More example sentences
- Instead, both have looked like opportunistic attack dogs.
- Instead she has now been firmly assigned to the traditional role of the vice-presidential candidate: attack dog.
- I had no idea he was going to be a little attack dog.
Definition of attack dog in:
- The US English dictionary