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1 definition by belugamike

 
1.
When a girl wears a too constricting bra-shirt combo., her breasts seem to "pop over" her shirt. Named for the variety of muffin called a Pop-over. Essentially, a "Muffin Top" for breasts.
"Man, that shirt is soo tight, those Pop Overs are spilling out."
by belugamike February 29, 2008