flatulate

Etymology

Back-formation from flatulence, attested since the 19th century; ultimately of Latin origin.

verb

1. To fart, to emit digestive gases from the anus, especially with accompanying sound and smell.
   1985, James L. Framo, “Rationale and Techniques of Intensive Family Therapy,” in Intensive Family Therapy, Ivan Boszormenyi-Nagy and James L. Framo eds. http://books.google.com/books?ie=UTF-8&hl=en&id=kfmXSIJPvqEC&pg=PA206&lpg=PA206&sig=b3bCCRJV6GdT6XexcyD0xVyRv88, Where else but in his own castle, with his own family, can a person pick his nose, flatulate, lose his temper with impunity, whine, let the child in him emerge—in short, regress and “be himself”?
   Horses defecate and flatulate on the move. 2001, David Kerans, Mind and Labor on the Farm in Black-Earth Russia
   While in the bathtub, he thought that he had to flatulate, but defecated instead. His mother had berated him mercilessly. 2003, Vamik D Volkan, The Third Reich in the Unconscious