Fool around, engage in frivolous activity, as in Stop fucking around and get the job done, or I'm tired of fucking aroundlet's go home. [Vulgar slang; 1920s]
fuck someone around. Cheat, treat badly or make trouble for someone, as in Stop fucking me around; I know what you're up to. [Vulgar slang; mid-1900s]
Be sexually promiscuous, as in Doesn't he have a reputation for fucking around? [Vulgar slang; c. 1930]
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