bumbulum – Latin for a fart.
Roland the Farter of Suffolk once got a entire estate the King in return for the below performance. The location still exists, just outside Ipswich!
http://en.wikipedia.org/wiki/Roland_the_Farter
hemingstone – Google Maps
Seriantia que quondam fuit Rollandi le Pettour in Hemingeston in comitatu Suff’, pro qua debuit facere die Natali Domini singulis annis coram domino rege unum saltum et sifflettum et unum bumbulum, que alienata fuit per particulas subscriptas.
The following (lands), which formerly were held of Roland the Farter in Hemingston in the county of Suffolk, for which he was obliged to perform every year on the birthday of our Lord before his master the king, one jump, one whistle, and one fart, were alienated in accordance with these specific requirements
– Liber Feodorum. The Book of Fees, Commonly Called Testa de Nevill: Part 2, A.D. 1242-1293, ed. H.C.M. Lyte (London: His Majesty’s Stationery Office, 1923), 1174