People or things that grab or take something quickly and often forcefully, like 'body snatchers' or pickpockets.
From Middle English 'snacchen,' possibly of Scandinavian origin. The '-er' suffix means 'one who does' the action, so a snatcher is 'one who snatches.'
The word 'snatcher' carries the anxiety of quickness and loss—you can't fight back against a snatcher because they're already gone; the term appears in folklore (body snatchers) and crime (grave robbers) because it describes violation before you can respond.
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