those unnecessary flowy straps on dresses that go over the straps that are already there. they can also be found without the regular straps, so the dress is held up simply by the boob curtains.

they're usually sheer and curtain-like, hence the term: boob curtains.
I went to the store to buy a dress, but they all had boob curtains!
by twinklebean85 December 29, 2006
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When your hair is so long and luscious that you can pose naked in photos and it covers your boobs
Hillary wants her hair so long, she can have a boob curtain.
by CinnamonSeudonym February 1, 2019
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