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1.
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
34 9
 
2.
Men or boys developing large protrusions of the chest for eating too much McDonalds.
Look at the McBoobs on that guy.
by DrkTy October 05, 2004
31 6
 
3.
Manboobs caused by eating McRibs.
Greg developed McBoobs after eating a daily McRib.
by Tinkerbell Hilton January 26, 2011
5 0