Top definition
The process by which breasts autonomously expand their territory that they feel rightly belongs to them, against any oppositions from their host.
My strap keeps falling, maybe they're just expanding and they won't stop, its like Mamifest Destiny or something!
by Alan Didion September 08, 2008
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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