sexy blonde twins with massive knockers.
Nate - "kristin and lindsey are twins right?they are so hot.. look at their racks..."
Zack - "yeh they are such boobie monsters!!"
by boob#1 March 23, 2006
A person with a rack so big, it's looks like there is a two-headed monster in their shirt.
Amy is such a boobie monster, for halloween she is going to draw faces on her tits and go as a three headed alien!!
by alimegz September 15, 2010

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