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Hayley being Hayley Williams of the band Paramore. The saying "Hayley's Boobs" generally means someone who is hot but has small boobs, as Hayley Williams is. This saying was created by the Guitarists of Paramore during an interview at an airport.
Frank: Dude, look at her, she is HOT!
Bob: Nah man, she has Hayley's Boobs.
Frank: Damn.
by Jakeeyyyyy July 02, 2009