A Mad Dog is a nick name for the original Jack "Oxy" Oxenahm
"Oxy drank all my beers last night his a fucking Mad dog"
Being an absolute mad dog. Some may be referred to as a mad cunt or sick cunt.
Fuck! He's been struck by the mad dog disease, what a mad dog!
Sick cunt
Kills at everything in life
Total Dingo
That Mad Dog Killer’s a Total Dingo…
An extreme or overtly ridiculous show of mental decline such as screaming in public places or unironically enjoying political speeches.
Mainly used to refer to actions but can be used to describe a person.
“Did you see what Jessica did at the part last night?”
“Yeah dude that was mad dog crazy.”