Bloggerlove House Dress with Pockets Moomoo Dresses Ecuador Ubuy Cotton Puff Sleeve Moo Moo Dress Pockets Pink Embroidered Hawaii Resort Vacation eBay So why do we call this a Muumuu? Well, linguistic spread & tourism, mostly. Your granny might have worn Muumuus as they were popularized in the US as house dresses, maternity wear & nightgowns, but Blue Dresses The Luau Hawaiian Muumuu Amazon.com: Kimonos for Women Summer Moomoo Dresses Coverups 70s Outfits Casual Kimono Robe Maxi Swimsuit Plus Size Long Flowy Black and White Print Kimono Cardigans Beach Cover Up (AC 1120 0) : Clothing, Shoes Plus Size Summer Maxi Dress Women's Kaftan Batwing Sleeve Outfit, Casual Evening Moo Moo Dress Comfortable & Stylish