A line in the United States between the North and the South where Yankees go to take a shit and Confederates go to eat.
Rebels head north to the Mason-Dixon line for dinner, while the Damyankees slide south to take a crap.
by Bigyank January 11, 2012

what one does when it's fucking hot!
by eddie23 August 6, 2003

by GirlAgainstFeminisn January 22, 2016

A disease common to people born below the Mason-Dixon line, which restricts each individual's IQ to less than the number of teeth they have. Also referred to as MDLS
So I was watching COPS, and they pulled over a guy with a joint behind his ear. He had a major case of Mason-Dixon Line Syndrome.
by Dr Shea Foster, DDR December 22, 2008

by Lil Griz July 31, 2020

bald.
by someone who isn’t bald November 21, 2021

White Co-Worker: "Hey Malik, why do you think only 30% of black are getting married"
Black Co-Worker: "Hold on now Seth, you crossing the Messy Dixon Line"
Black Co-Worker: "Hold on now Seth, you crossing the Messy Dixon Line"
by ArnoldsMind December 20, 2024
