mess-dos
mess-dos: /mes-dos/ n. Derisory term for MS-DOS. Often followed
by the ritual banishing "Just say No!" See MS-DOS. Most
hackers (even many MS-DOS hackers) loathe MS-DOS for its
single-tasking nature, its limits on application size, its nasty
primitive interface, and its ties to IBMness (see fear and
loathing). Also `mess-loss', `messy-dos', `mess-dog',
`mess-dross', `mush-dos', and various combinations thereof. In
Ireland and the U.K. it is even sometimes called `Domestos' after a
brand of toilet cleanser.