Citations:fatkini

Noun: "(slang) a two-piece swimsuit designed for an overweight woman; a plus-size bikini"

 * 2004, Mike Miller, "The Fatkini & King Kong Thong", Weekly World News (satire), 27 September 2004:
 * The Fatkinis are flying off store shelves. "Since I began wearing my size 22W Fatkini, says 310-lb. Miriam Knepper, 29, I can't tell you how many admiring looks I get around the pool.
 * 2013, Jennifer Barger, "Curve Appeal", The Washington Post, 1 February 2013:
 * Gregg, a size 18, famously posted an image of herself in a striped “fatkini” last spring — deep cleavage, non-skinny legs and all.
 * 2013, Olivia Fleming, "Fashion blogger's 'Fatkini' swimsuits sell out within hours to the disappointment of thousands of eager plus-size customers", Daily Mail, 24 May 2013:
 * Gabi’s "fatkini" stories shed light on the misconceptions about women, body image, and swimwear.