Le Switcharoo Share definition Flag The act of shitting into your partners asshole, and having them shit it back inside of you. Repeat. Dude last night me and humphry had Taco Bell so we performed Le Switcharoo before sleeping. Le Switcharoo by Fecalmatters November 12, 2010 0 0 Get merch Get the Le Switcharoo mug. Buy Now — $32.95 See more merch