1 definition by Brad Arnold

Top Definition
IAS
Itchy Ass Syndrome;

Chronic itchiness of the buttocks/rectum area. Does not include lower back. Usually only lasts for one day, but can persist for longer. If symptoms last for more than a week, consult a doctor.
"Man, I've got a serious case of IAS - I need to get out of here so I can scratch it"
by Brad Arnold May 15, 2008

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