1640s, from Dutch slurpen, perhaps of imitative origin (cf. German schlurfen). Related: Slurped; slurping. The noun is first recorded 1949, from the verb.
To eat or drink with greed: slurping porridge from a wooden spoon/ The cat slupped up the milk in no time (1648+)
[echoic]
To read a large data file entirely into core before working on it. This may be contrasted with the strategy of reading a small piece at a time, processing it, and then reading the next piece. "This program slurps in a 1K-by-1K matrix and does an FFT." See also sponge.
[Jargon File]