high per milligram of thc like miles per gallon of gasoline
Clem ate a whole bag of edibles in one sitting. He’s like the Bugatti Chiron in terms of hpm. What a waste of thc!
by phallacy December 22, 2019
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a group of four dazzling young adults who enjoy cupcakes, puns and sartorialising. usually involves 3 especially good female friends, each of whom are truly fabulous, and one wombat who tags along because he has no other friends.

a hpm is a person, hpm are a group, the hpms are the group.
i'm going out with hpm today
by Snape, Snape, Severus Snape October 8, 2007
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HARRY POTTER MARATHON;
the long term watching of a movie about a small boy wizard and his magical friends.
Hey guys, are you going to that wicked HPM later on?!
by hollabackgurrrl July 9, 2010
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Man, when I was doing it with that chick my HPM was over a 150, it was hardcore.
by nwillimaster April 27, 2012
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A device which causes an electrical fire
I bought an HPM Double Adapter so I can cause an electrical fire.
by Officeworks May 21, 2022
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