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English definition of “slug”

slug

noun [C] (CREATURE)    /slʌɡ/
a small, usually black or brown creature with a long, soft body and no arms or legs, like a snail but with no shellWorms, snails, slugs and similar animals mainly US informal a slow-moving, lazy person → See also sluggishLaziness and lazy peopleAvoiding action
(Definition of slug noun (CREATURE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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