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early 13c., "make a sudden snap or bite" (at something), of uncertain origin; perhaps from an unrecorded Old English *snæccan or Middle Dutch snacken "to snatch, chatter." Cf. snack (n.). Meaning "lay hold of suddenly" is from early 14c.; especially "take from someone's hands" (1580s). Weight-lifting sense is attested from 1928. Related: Snatched; snatching.
c.1300, "a trap, snare," from snatch (v.). Meaning "a sudden grab" is from 1570s; that of "a small amount" is from 1590s. Sense in weight-lifting is from 1928. Vulgar slang sense of "vulva" is recorded from 1903; a much older venereal sense was "sexual intercourse quickly performed" (1580s).
To eat; gobble; scarf: We can think of a lot of places we would like to eat chocolate, snarf down a few burgers, and gawk at shiny cars
[1968+; in early 1980s computer slang, defined in the Hacker'sDictonary as''tosnarf,sometimeswiththeconnotation of absorbing, processing, or understanding'']