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36.
HP
HP can stand for many different things...

HP - Horsepower
HP - Harry Potter
HP - Hewlett Packard
HP - Many other things.
Horsepower - The new supcharged Ford Lightning has 500HP.

Harry Potter - The new HP book sold over 10 million copies.

Hewlett Packard - My HP printer made me wanted to shoot myself.

Many other things - HP can be used as an ancronym for many other things, but who feels like listing em all eh?
by Im with stupid. November 15, 2006
 
1.
HP
It also stands for horsepower, you Harry Potter freaks.
The BMW M5 has 400hp.
by Elgeoharris November 12, 2003
 
2.
HP
HP is an abbreviation for the following:

-Harry Potter (popular book series...you should know that)
-Hit Points (like in an RPG)
-Hewlett Packard (Computer Brand)
by Cherushi November 09, 2003
 
3.
HP
Bay View-Hunter's Point is a district of San Francisco. When the Navy closed the Shipyard, the site of the first dry-dock on the West Coast, it also cut the jobs that came with it and the reason that so many people moved to the area from the South. As jobs left, crime rose, and now this is one of the worst neighborhood of the city. Although it is turning around slowly and people who live there say it's not as bad as it was 10 years ago. New apartments are being built and MUNI (public transport) service being extended. The area is far from posh, but is one of the few place in the city where you could buy a house for under a million dollars.
"Nuke 'em in tha heart of HP," Where yo playas club at foo?
by O.G. Chinaman April 17, 2004
 
4.
HP
Abbreviation for the Bay View/Hunter's Point neighborhood in south east San Francisco. SF's most notorious neighborhood, home to the RBL Posse, Big Block Records, the sco's most notorious niggaz, the infamous Hunter's Point housing projects, Oakdale projects and more. A place no outta towner should be. hunters point sunnydale
HP aint nuttint a fuck wit
by hamydeez November 05, 2004
 
5.
hp
Half-Pound of Weed/Marijuana.

Half-Pound = 8 ounces
4 ounces = QP or quarter pound
1 ounce = 8 eigths
1 eigth = 3.5 grams.
How much u got in that brick there, son?

Well sir, I believe it to be about an HP, but we haven't broken it up yet and were about to scrape it for keef. We'll get back to you on that one later G.
by MIL specialist March 05, 2004
 
6.
hp
South East San Francisco. Home of Double Rock housing projects. Murder rates are rising and is arguably as dangerous as south bronx.
From the Swamp to H.P, my ni**as role 100 deep,-- Messy Marv
by bigblock23 February 10, 2005
 
7.
HP
a notorious neighborhood in san francisco, arguably the most dangerous in the bay area
by YoungCali August 26, 2003