fat sleeper

plural fat sleepers

1. The fish Dormitator maculatus.
2. Used other than figuratively or idiomatically: see fat, sleeper.

   He purred sonorously—like the snore of a fat sleeper or the roar of a distant railway train.

   1869 August, Alcibiades Jones, “Cats”, in The New Eclectic Magazine, volume 5, number 2, Baltimore: Turnbull & Murdoch, →OCLC, page 174

   1 more example

   Scarcely two feet above me lay a burly, rotund traveller, of over two hundred pounds; […] The cord on which the fat sleeper's bed hung broke, and the wooden edge of the berth frame saw fit to fall on my face, with all his weight on top.

   1873 December, “The Pleasures and Perils of “Canal Packets.””, in The Guardian, volume 24, number 12, Philadelphia: H. Harbaugh, →OCLC, page 372