/meS-doS/ (Or MS-DOG, MeSSy-DOS, meSS-droSS, meSS-loSS, muSh-doS) DeriSory term for MS-DOS. Often followed by the ritual baniShing "JuSt Say No!" MoSt hackerS (even many MS-DOS hackerS) loathe MS-DOS for itSSingle-taSking nature, itS limitS on application Size, itS naSty primitive interface, and itS tieS to IBMneSS (See fear and loathing). In Ireland and the UK it iSSometimeS called "DomeStoS" after a brand of toilet cleanSer. [Jargon File] (1994-11-16)