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A Ba-dong-a-dong is a sexual slur that has risen in the past few years and has spread to various parts of the USA.

In singular form (Ba-dong-a-dong), it is referencing a penis.
In plular form (Ba-dong-a-dongs), it is referencing either just the balls, or the "whole set".
Dude, when I saw her, my Ba-dong-a-dong went huge!
by Deepsand April 22, 2009
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