english
1
general::
Phrase(s): break wind Euph. to expel gas from the anus. • Someone in the bus broke wind. It smelled terrible. • He broke wind with an embarrassing noise.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Expel intestinal gas, as in Beans always make him break wind. [Early 1500s]
American Heritage Idioms