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1.
The sudden and intense infatuation with a particular entertainer that lasts for a short period of time after which one moves on to another entertainer.
"OMG! I have the worst case of H.E.A.D.D. for benicio del toro"

"Dude, didn't you develop H.E.A.D.D. for Johnny Depp last week?!"
by SumSarah April 14, 2010