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 18, 2010
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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 5, 2010
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Not jizzing for exactly 40 days and 40 nights regardless of the situation. It's not just jacking off. You are not allowed to jizz. Period. That's it.
I'm doing the 40 day challenge for lent.
by I_am_bj March 1, 2017
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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 2, 2015
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