verb. (American).—To ‘fool around’: a ‘portmanteau’ verb of action. [See JEW = to delude + LARK = irresponsible action.]

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  1851.  J. J. HOOPER, The Widow Rugby’s Husband, etc., p. 59. Wonder if I’ll ketch that rascal Jim Sparks JEWLARKIN’ round Betsy.

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