An insane dude. Someone who is out of his god damn mind. A guy that did something that nobody would have ever even dared to think of doing.
Wow Jacob just drank that entire glass of water, what a fucking mad lad.
by eaozimso February 21, 2017
Someone who actually does it
The mad lad! He's actually done it!
by ohididntnotice February 12, 2019
A Mad lad is somebody who does something extreme, like trying to get inside jokes into the urban dictionary.
U/Wanja01, a mad lad, tries to get himself into the urban dictionary and also reddit.
by u/Wanja01 August 25, 2019
Used ironically for a person who thinks he did something daring/cool/rebellious but didn't.
OMG you stayed up until 9 PM? Absolute mad lad!
by Psstime June 1, 2018
someone who thinks they are the shit,and they think they impress everyone with their lame ass behaviour.Although they are the only ones to think this as everyone else see's the truth that they are actually really lame
He thinks he is a real mad lad,bcoz he hangs out with his crew.
by bfmb79 April 4, 2006
when your rent a wee house up in Carlingford thinking you're the maddest cunt going with with your packet of NZ'S
here bies shes a mad lad
by Yesladeoonff September 9, 2019
An absolute unit or uncontainable beast of destruction that will never stop pushing down walls of pure power and death to make the world a better place.
1: Josh took a shit on Ms. B’s corvette!
2: LMAO what a mad lad!
by MadLad001 August 7, 2018