Definition of attack dog
- a political attack dog
The charges against the candidate were made by one of the governor's attack dogs.
his reputation as a political attack dog earned him the vice presidential spot on the ticket
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'attack dog.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a dog that has been trained to attack people
: a person who is known for making very harsh and personal criticisms of other people
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