Top Definition
1. n. A tremendous feat, to whack it 26 times in a day. The result will leave the 'runner' fatigued, red, thirsty, and ironically low on juice.

2. n. Also a popular 26.2 mile race performed by thousands in Boston in April where some Kenyan wins.

"Where's Tony?"
"He's at home doing the Boston Marathon right now."
"I thought that was in Boston..and in April?"
"Not this kind. This is an essential training regime he must do in order to improve his minute man lemonade."
#masturbation #jacking off #whack it #wack it #rub one off
by Robosalt June 21, 2008
When one drinks excessive amounts of Iced Tea (to honor those who threw tea into the harbor in boston) and when said participant has to use the bathroom, they proceed to run from urinal to urinal peeing nonstop in each one.
Bob drank three gallons of iced tea during the movie and celebrated when he discovered the theater bathroom empty by running a "Boston Marathon"
#boston #marathon #pissing #urinal #stall #bathroom #peeing
by babieswithrabies17 December 02, 2011
When you get explosive diarea, esp when running.
I was jogging and I Boston Marathoned my pants
#diarea #uta pippig #squirts #soft serve #liquid brown
by Crown Princess Bitch April 25, 2015
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