Bing Bongs, a term to describe a pair of men’s underwear. This term was first used in the eighteenth century and is documented in Dublin (Ireland) London (England) and in literature from around the world. It’s still commonly used to this day and is seeing somewhat of a revival.
In day’s of old; I say old boy, “Your Bing Bongs are half way up your back, now pull yourself together man”
More recent times; Dude, I can see your Bing Bongs, not cool.
a woman's breasts.
Yo man, check out the bing bongs on her!