I'm only speeding because I really have to poop. Bumper Stickers Posted on 2012/10/27 by admin Give the people behind you a laugh while explaining why you're driving so fast with these hilarious “I'm only speeding because I really have to poop” bumper stickers. product tags: i'm, only, speeding, because, really, have, poop, bumper, humor, driving, fecal, funny, business, bumper stickers,