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POP CULTURE DICTIONARY

mermaid effect

or mermaid theory [mur-meyd ih-fekt]

WHAT DOES MERMAID EFFECT MEAN?

The mermaid effect, coined by the sitcom How I Met Your Mother, states that, the more time a man spends with a woman, the more he'll find her sexually attractive–even if he initially finds her unattractive.

It's also sometimes used to refer to a trend in beauty featuring such styles as holographic pastels or mermaid-inspired details.