by B.Hunt May 1, 2021

When you get rid of the old used up woman you were seeing and replace her with her super hot 18 year old daughter that used to call you dad when her mom was your girlfriend.
noly- “Yeah bro, i had to ditch that beat up old crackhead bitch Danielle with the loose pussy, her gorgeous daughter madi finally turned 18 i couldn’t resist mad doggin it.
Bro- “yo, you didn’t?…noly you are a fucking legend i mean you hear about guys mad doggin but i didn’t think that shit happened irl..”
noly- “haha… yeah bro she went from calling me dad to daddy over night, i can’t get enough of this lil mad dog.”
bro- “ you are the man noly”
Bro- “yo, you didn’t?…noly you are a fucking legend i mean you hear about guys mad doggin but i didn’t think that shit happened irl..”
noly- “haha… yeah bro she went from calling me dad to daddy over night, i can’t get enough of this lil mad dog.”
bro- “ you are the man noly”
by nolyboy July 3, 2025

anyone who says this is totally cool. (so ally’s and heathers cant say this) it means REALLY CRAZY COOL (gracies are especially allowed to use this)
by madwackbroski November 14, 2018

when a festival-head has ingested a large amount of a psychoactive substance that leads them to lose all linear train of thought and turns them into an absoloute-fuck-hole during sets as well as around the festival grounds. you do not want to be around these types of people, since mad autistic vibes are a highly contagious airborne pathogen that infects those that are within in a 5m radius
Brandon: "Bro where is Diplo!? Dude, we NEED YOU, FIRE UP!! I think we might have to grab another beer boys"
Jason: "Damn bro, we might have to".
Chad: "Hommiiieeeeeee, fire B, fire"
Jack: "FFFUUUUAAAAAA!!!!!"
Bystander: "Wow, they have signs of mad autistic vibes. I wasn't ready for this"
Brandon: "No one is"
Jason: "Damn bro, we might have to".
Chad: "Hommiiieeeeeee, fire B, fire"
Jack: "FFFUUUUAAAAAA!!!!!"
Bystander: "Wow, they have signs of mad autistic vibes. I wasn't ready for this"
Brandon: "No one is"
by Jourtson October 16, 2018

Mads is the definition of retard, people with the name Mads have a 100% chance of being diagnosed with things such as autism, downsyndrome, and homosexuality.
by plskillmadsheisveystupid February 17, 2020

Used when you message someone and they don't reply. You message them saying "mad reply", which is sarcastic and to point out the fact that they really didn't reply at all.
by Young Aquarius May 23, 2017

Spending copious amounts of money on packs within Game of Thrones Conquest. This simultaneously furthers one's baller status.
by CheezyPete August 2, 2018
