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1.
An overweight girl with a heavy top and skinny legs giving her an extreme muffin top

Originating from a dyslexic friend, taking the first initials from the name of the original "BH" and accidentally switching the letters around.
Laura: "Dude, did you see that chick? Her legs were skinnier than her top"
Maddie: "She's got the HB Syndrome ."
by MadandMon?! December 12, 2008