An effect, usually on men, that pertains to girls in Manhattan where they become prettier and more attractive because of their location (the Manhattan borough). This can also pertain to their physical look, as it may have a particular style that cannot be found in any other parts of the world, but this also might be just because you found them in Manhattan.
I swear she's not that attractive, but somehow I like her

Probably just the Manhattan effect kicking in
by RubberShoes February 9, 2010
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