a mythical creature who magically puts condoms under one's pillow in the event that one gets "lucky" with someone but forgets to bring a condom.
girl: do you have a condom?
guy: i didnt bring one.
girl: check under your pillow.
guy: dude where did this come from.
condom fairy: FROM ME, THE MIGHTY CONDOM FAIRY!
guy: i didnt bring one.
girl: check under your pillow.
guy: dude where did this come from.
condom fairy: FROM ME, THE MIGHTY CONDOM FAIRY!
by Simba NCL January 25, 2013
When you pick up a chic at a bar, bring her home, bang her and then put the used condom under your roommates pillow.
by bub c October 19, 2006