dirty shirt n.1[a bulla cake is a flat cake, sometimes with a central hole, made of flour and brown sugar and cooked by country people and the urban poor (wearers of SE dirty shirts); also known as a cartman’s hymn-book](W.I.) a bulla cake.Show quotations1956cited in Cassidy & LePage Dict. Jam. Eng. (1980).
![[WI]](/static/img/flags/wi.png "West Indies")