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The noun used to describe boobies that are just so fantastic, that the image of them will never leave your mind.
(Rick): Ayo Charlie, wouldn't you agree that Allison has some nice tittaes?

(Charlie): Hellz yeah. Bitch got some ultratitties. I can't seem to get them shits outta my mind.
by Igotmesometonight May 12, 2009
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