WTFSWAYPD Share definition Flag This term is abbreviation of the phrase "What The Fuck Son Why Are Your Pants Down." This phrase is used when your parents have caught you masturbating. The female version is WTFDWAYPO. Dude #1 "Dude, my parents totally WTFSWAYPD'd me last night." Dude #2 "That sucks, dude." WTFSWAYPD by Dogteeth56 October 10, 2016 0 0 Get merch