Top Definition
The insane, near impossible feat of not masturbating for all 40 days of Lent.
Taylor: "I'm doing the 40 day challenge."
Alex: I tried that last year. I lasted about a day!
by Fat Swimmer February 17, 2010
The 40 Day Challenge is a test to see whether or not you can give up masturbation for the 40 days of lent. You can perform any sexual acts except masturbate.
Will: How's the 40 day challenge going bro?
Josh: It's day 27 and I'm still going strong.
Will: Damn. I couldn't even make it to day 5.
by 6equals6 February 02, 2015
a challenge that is given by friends that involves no sexual activity for 40 days and 40 nights. this does include kissing.
Guy 1: whats wrong with fred?

Guy 2: he said that he was on the 40 day challenge, hes on day 13

Guy 1: by the end of it, hes going to be a hormonal wreck!
by xX Mirror3d Xx June 05, 2010
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