Mad Dog

Meaning of Mad Dog: A nickname for someone who is unpredictable, aggressive, or fierce in demeanor.

Literal Meaning of Mad Dog: Literally, Mad Dog refers to the behavior of a ferocious or rabid dog.

Popularity: Low.

Origin: English (from the characterization of a fierce or unpredictable person).


Emily: Jack’s intensity on the field can be intimidating.

Liam: That’s why we call him Mad Dog.

Emily: He’s relentless when he’s competing.

Related Nicknames: Wild Dog, Beast, Maverick, Firebrand, Intense.