a rumbling or gurgling sound caused by the movement of gas in the intestines. Did you know you could have a whole conversation in borborygmese? But don’t take my word for it:
Claire Bretécher is a socio-satirical cartoonist from France, best known for her comics dealing with women and gender-related issues (Les frustrés, Aggripine…) Lots of them have been translated into English. A quick rundown of her career: her work has been published in Spirou and Pilote in 1972, and she co-founded the Franco-Belgian comics magazine “L’écho des savanes” (Echoes of the Savannah) together with Marcel Gotlib and Nikita Mandryka. She also has a pretty good handle on Weird Body Things and how people react to them.
And speaking of odd stomach noises, this pertinent little gem comes to mind: