After a preacher delivers a lecture on Cyrus, Thomas gives one as a gift to that preacher when he puts his hand down his back.
The speaker of one of Matthew Prior's epigrams died "like Julius Caesar  who in the Senate lost his breath" when one of these made its way into the House of Commons. Subtle gives one of these to Face in the opening of The Alchemist. After a preacher delivers a lecture on Cyrus, Thomas gives one as a gift to that preacher when he puts his hand down his back. At the conclusion of that story, a squire suggests that one of these can be divided thirteen ways by sitting on a cartwheel and having twelve men put their heads near each spoke. One of these is given to Absolon by Nicholas before he is branded with a red hot poker in Chaucer's "The Miller's Tale." For 10 points, name this bodily function, commonly produced by flatulence.
The speaker of one of Matthew Prior's epigrams died "like Julius Caesar  who in the Senate lost his breath" when one of these made its way into the House of Commons.
farts [accept any and all equivalents, including vulgar ones]