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4.
HK
Short for Hard Kunt. Often used in Australia and made popular by ImMrTeddy via his Youtube video: How to be a HK (Hard Kunt).

They are menace to society.
They are most often seen at Mirrabooka, Armadale, Northbridge and all those other dodgy suburbs.
I went down to Mirrabooka today, so many HK's.

Did you see what Adam is wearing? What a HK!
by LivvyGrl November 23, 2011
 
1.
HK
Means Hard Kent or Hard Kunt
"Jack is a HK"
by the small guy December 01, 2009
 
2.
Hk
Heckler and Koch, a very renowned manufacturer of firearms, such as the MP5 and G36
I own an HK USP, it's the best handgun ever.
by Nu August 05, 2003
 
3.
hk
noun; Hostile Kids , popular on PbNation.com
Players from Hk went to the IronMen
by Not Cakeslob January 19, 2005
 
5.
HK
1. (noun)Short for Hong Kong
2.(adj.) A word paired with "hella" to describe something/someone who is/personifies/carries the attributes of a hip cool Asian.
This includes spikey hair (colors optional), slightly baggy jeans, anything hello kitty, jackets shirts and shoes that tend to be green, purple, orange or grey.
*see azn
1. Look guys! We're in HK!
2. OMG! That guy Jaco is HELLA HK!
by Daisydaisybobaisy December 26, 2006
 
6.
HK
Acronym for "Haram Khor".
Origin: Hindi, Urdu.
Haram Khor means a person who earns his kicks by doing what he is not supposed to be doing.
For example, if an employee does nothing at office, he is a "Haram Khor".
Bee: "Look at Nomi, He is watching streaming video instead of doing work!".
Assadi: "Yeah, He is such a HK."
by Burhaan May 29, 2008
 
7.
HK
Abbreviation for hardcore
That dude is HK.

That movie was HK

So HK.
by Frank Collins June 28, 2009