Playing the Porcelain Trumpet Share definition Flag When a person farts loudly before pooing. The noise is amplified by the hollow bowl of the toilet. After a long night competitive beer drinking, i awoke to my roomate playing the porcelain trumpet. Playing the Porcelain Trumpet by joshuah! September 28, 2006 0 0 Get merch Get the Playing the Porcelain Trumpet mug. Buy Now — $32.95 See more merch