attack dog
noun /əˈtæk dɒɡ/
/əˈtæk dɔːɡ/
- a dog that has been trained to attack people or other animals
- the use of attack dogs against prisoners
- four breeds of attack dogs
- (disapproving) a person who often makes strong personal attacks on other people in public
- His image has changed from statesman to attack dog.
- the Republican party’s most famous attack dog