Definitions from Wiktionary (greasy)

▸ adjective:  Having a slippery surface; having a surface covered with grease.
▸ adjective:  Containing a lot of grease or fat.
▸ adjective:  (slang) Shady, sketchy, dodgy, detestable, unethical.
▸ adjective:  (obsolete) Fat, bulky.
▸ adjective:  (obsolete) Gross; indelicate; indecent.
▸ adjective:  (of a horse) Afflicted with the disease called grease.
▸ Also see greasy

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