Top Definition
The boundary between Maryland and Pennsylvania. A symbolic dividing line between the North and the South before the Civil War. The two surveyors who mapped the line, Charles Mason and Jeremiah Dixon, are the namesake for the imaginary border.
Once you've crossed the Mason Dixon line headed North, you're not likley to find a Waffle House.
by ebradfor November 11, 2005
Doing a line of cocaine in the area between a girls Asshole and her vagina. The line represents the seperation of the pussys of the North and the Assholes of the South during the Civil war.
Ex. "Dude last night you totally did a Mason-Dixon Line of that hooker!"
by Megatron81 July 06, 2014
Anywhere that defines a specific boundary, especially regarding someone's body or personal space.
"Keep your hands above the Mason-Dixon line, thanks."
by Mooondog December 30, 2013
A latitude line in the United States which divides Idiots and Assholes
Goddamnit Johnathan! How can I get away from all these Assholes? Easy Thomas' ... Simply drive your beamer across the Mason-Dixon Line till you start running into Idiots!
by StuPedasso February 24, 2012
The "mason dixon line" is a common metaphor used to describe a separation, usually directional (north or south). It can also be used to describe other separations such as above and below the waist.
Geographically speaking, one could say: "The mason dixon line separates the yanks (people who stereotype everyone and think the nation should have voted for Kerry or Frankenstein, which ever you prefer) from those who are more refined and choose not to cry about such trivialities as who is the president (he is more symbolic than political anyways).
by someone from the south April 18, 2006
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 10, 2012
The line that defines the North from the South. South of the Mason-Dixon line is a horrible, racist and unintegrated part of the US that is known to vote for Republicans who cheat to win. The Mason Dixon line separates real people from rednecks and hicks. In the South, they tend to have a devotion to God and anyone who also claims to be acting with him, (ie George Bush).
I'm glad I don't live below the Mason Dixon Line, or else I would have learned to read in 8th grade!

Nobody above the Mason Dixon Line carries around Confederate Flags anymore, because we can read history books and know they stand for slavery and racism!
by Krista Burns January 10, 2006
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