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
A Mexican marathon is when an individual memorizes an entire high school worth of Mexican (otherwise known as the Spanish language) in 1 hour on the day before their exam.
"Are you ok?
"No you fuckhead I just did a Mexican marathon"
"Oh my dearest apologies"