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When you scratch at an itch in one place on your body, then you get an itch somewhere else, so you itch that body part, then it moves again so you itch that part... Ends up with your arms moving all over your body, chasing the itch.
Guy #1: What were you doing earlier, you were scratching yourself all over the place!
Guy #2: Yeah, I was chasing an itch.
by Oletha August 10, 2009

Words related to chasing an itch

chase chasing itch itching pursuit scratch scratching