same-day service n. Ironic term used to describe long response time, particularly with respect to {MS-DOS} and Windows system calls (which ought to require only a tiny fraction of a second to execute). Such response time is a major incentive for programmers to write programs that are not {well-behaved}.
same-day service <humour, operating system> An ironic term used to describe long response time, particularly with respect to {MS-DOS} {system calls} (which ought to require only a tiny fraction of a second to execute). Such response time is a major incentive for programmers to write programs that are not {well-behaved}. See also {PC-ism}. [{Jargon File}] (1996-12-17)