n. the mouth. : I've heard enough out of you! Shut your bunghole!
n. the anus. (Usually objectionable.) : She tripped and fell down on her bunghole.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Example sentences
Place the lint-free cloth over the bunghole and place the bung cap on the corner of the cloth to prevent it from shifting.
The funnel screws into the barrel at the bunghole to allow easy and safe emptying of the contents of needle-remover containers.