Definition of "slicking" [slick•ing]

• Present participle of slick. (verb)
• A narrow vein of ore. (noun)
• A whipping with a hickory switch. (noun)

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• "The boys resorted to all sorts of tactics to avoid the dreaded haircut, such as slicking their hair back with Vaseline to make it appear shorter."
• ""We were talking about a smoking jacket and an ascot and were messing around with the idea of slicking his hair back, but we decided to invent our own thing."
• "Wetting the hair for the purpose of "slicking" it or combing it, is about as bad a thing as could be done; for the moisture sets up a sort of rancid fermentation in the natural oil of the scalp, giving the well-known sour smell to hair that is combed instead of brushed, and furnishing a splendid soil for germs and bugs of all sorts to breed in."