Men or boys developing large protrusions of the chest for eating too much McDonalds.
by DrkTy October 05, 2004
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Oversized, "SuperSized", breast augmentation. A boob job that's way out of proportion with a woman's body.
I wonder is she has the McMansion to go with her McBoobs?
by Shaz Ma Taz November 15, 2007
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