The empty space between a pair of boobs that are farther apart than average. Can occur naturally or due to a lack of undergarment support.
"That girl should wear a bra or at least a better shirt to cover her boob space. It just makes her look flat."
by Cornelius Worthington April 2, 2010
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The added space in women's T-shirts as apposed to how mens T-shirts are plain flat.
I wanted to try wearing her T-shirt, but it was too baggy and didn't fit right, darn boob space.
by ajr10 September 9, 2011
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