Usually a girl named madison. Is willing to sleep with anyone or anything! Considered "easy to get". This girl is not into dating. She just loves to have those one night stands. She is the girl who will go to a club and bring back at least 5 guys.
I fucked this mad sex dog last night.
by nhs1979 October 08, 2010
The most amazing person in the whole world. She really does not eat scabs, but she once did. She enjoys pulling on peoples big toes until they come off. People are fascinated by her and someday there will be a degree devoted to the studies of her.
"I was swimming in the Columbia River when all of the sudden i felt a tug on my big toe. It came from Mad dog the hobbling recovering scab eating toe caper"
by mad dog123 March 26, 2007
Formally the MD-90, the LOUDEST GOD DAMN PLANE IN EXISTENCE (aside from the Concorde). It pretty tho. Loved by AvGeeks, hated by Environment specialists. (lots of emissions.)
by AvGeek0924 February 05, 2021
A mad dog is someone who brings plenty of energy and good vibes. They are typically a Leo and go by the name Anthony.
I was at a party and felt I needed a energy boost so I called “mad dog” to come round to pick up my spirits.
by TheWizard20 November 23, 2021
Mad dog is a nickname for girls named maddie. who is a dog in the sheets, also sucks dick like no other
by Marty ice June 09, 2023
The act of going down on a female with a mouth full of Pop Rocks. This act causes the person who is performing the act to foam at the mouth. Can be done with or without growling noises.
by Tom Slagmore September 17, 2021
A mad dog is a sex position in which a male and female pretend to be Americans as they shoot their shots in each others anal cavity
by Parallelogramshagger May 08, 2020