1 definition by jkoo14

Top Definition
a creature of such such ferocious an appetite, that it often devours cities whole. Should you ever encounter a JHPA, your chances of survival are nil. Simply curl into a ball to lessen the pain of the JHPA's 5 stomachs.

The full, expanded acronym is an unutterable series of words.
Dude my house just got eaten by a baby JHPA.
by jkoo14 March 04, 2012
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