A race attempted by a loarge assortment of idiots who lack the coordination or ability to use the basic skill of running in a real sport. Instead they decide to run for hours on end for no apparent reason. Marathons are oftenly described as "fun" by these morons for reasons unknown to the sane part of society. These retards also enjoy the loss of the ability to walk, run, move, fuck, for the 2 days following the Marathon.
Bob: "I'm running the boston Marathon "Jim"
Jim: "How long is it Bob"
Bob: "40 miles"
Jim: "Your a retard Jim"
by Austin Kennedy July 19, 2006
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An exceptionally long episode of masturbation fits. These episodes are usually brought on by sexual deprivation and bordom; however, and I'm not making this up, they have been used a means of fundraising for sexual related causes such as safe sex. A masturbation marathon is a strenuous event that requires disciplined training and preparation. There are several related subcatagories such as time, ejaculation distance, and most orgasms for both male and female competitors (I'm totally serious - google it).
Hillary's return brought an end to Bill's 72 hour masturbation marathon.
by Face_Bones August 30, 2013
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The attempt to be drunk for 20 consecutive hours.
Let's start drinking at 10 am tomorrow so we can attempt a marathon.
by greg July 3, 2004
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Something of a daily occurance, NCIS is a great show and it seams its so great that they have "Marathon's" almost everyday. Do not get sucked in as these last for 12-24 hours and you will get nothing done.
Person 1: I'm going to work on my project *walks into TV room* EWWW!!! NCIS Marathon! *Two hours later*: Shit I got nothing done!

In short don't get sucked in.
by CTU_FieldAgent200 February 15, 2010
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A once yearly event when a male travels to Brighton located on the south coast of the U.K. and receives anal sex by 26 other men and a midget in a single day.
Keith: I have entered the Brighton Marathon next year.

Alex: Me too. I do the Brighton Marathon every year! It makes my eyes water sometimes!
by JonnyFirePower April 20, 2012
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A day where people drink alcoholic beverages, sunrise of Monday morning, until sunrise of Tuesday morning.
by Shippensburg University March 5, 2014
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two or more days of consecutive binge drinking to the point of intoxication. usually done in conjunction with skipping work or school.
last week we went out drinking from tuesday to saturday...a real mexican marathon...im hung over as hell
by fp12319 May 7, 2010
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