Top Definition
Used to describe a large bra. Commonly associated with the older generations
'Look at the size of that upperdeckaflopperstopper (said quickly) you could hang a car from each side.

'if she took that upperdeckaflopperstopper off she could wipe the floor with her tits'
by Billy nom8s February 14, 2007
6 Words related to upperdeckaflopperstopper

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