Top Definition
When a girl's name sounds hot but in actual fact she's as ugly as a constipated ogre.
Boy 1: So I met this girl called Isabelle

Boy 2: Cool! Is she hot?

Boy 1: I'd rather date Donald Trump than her.

Boy 2: Ahh, The Kimberly Effect came into play.
by HowBoysThink September 22, 2011

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