Definitions from Wiktionary (slicker)

▸ noun:  One who or that which slicks.
▸ noun:  (originally Canada, US) A waterproof coat or jacket.
▸ noun:  A person who is perceived as clever, urbane and possibly disreputable. (abbreviation of city slicker.)
▸ noun:  (slang) A swindler or conman.
▸ noun:  A symmetrical knife with a handle at each end, used for burnishing leather.
▸ noun:  (metalworking) A curved tool for smoothing the surfaces of a mould after the withdrawal of the pattern.
▸ noun:  A two-handled tool for finishing concrete or mortar; a darby.
▸ noun:  A brush for grooming a cat or other pet and removing loose fur.
▸ verb:  To slither, as on a slick surface.
▸ verb:  To con or hoodwink.
▸ verb:  To use a slicker on.
▸ verb:  To smooth or slick.
▸ verb:  To spread mashed manure on fields as a form of fertilization.

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