Wai Choon Butt Share definition Flag An irritated or active bowel, often onset by the ingestion of asian food. Last night I had chicken teriyaki and at 2am this morning I had Wai Choon Butt and punished the toilet for 2 hours. Wai Choon Butt by netstruc65 April 28, 2008 0 0 Get merch Get the Wai Choon Butt mug. Buy Now — $32.95 See more merch