Koreans are people who live in or come from Korea (usually South Korea a.k.a. Republic of Korea, because most North Koreans are not allowed to travel abroad). But here we will deal with the ones in the United States of America, including those whose family currently lives in Korea.
There are all kinds of Koreans, but to name a few:

American-Koreans (so-called twinkies/bananas)
people who have spent their entire lives in America. Usually US born and second- or third-generation immigrants. They either can't speak Korean at all or understand very little of it; but they do have impeccable English speaking skills and lots of white friends. Most feel uncomfortable around other types of Koreans and/or some older relatives. Very Americanized, with no understanding of Korean tranditions or Korean pop culture. Less intense when it comes to school and work; only few of them tend to show outstanding academic performance. They all have English first names.

include Koreans who came to America as kids or those who have spent many years at American schools. Many have English first names but some choose to keep their Korean names. Good English, but their English speaking abilities depend on the number of years spent in America or the number of American friends they have. Most are academically successful and get straight A's. There is 90% chance that a given Korean-American plays a musical instrument and/or excels in math or science. Some can be good atheletes. Some have families living in Korea and go home once or twice a year; these ones develop immunities to long flights or jet lags. Although most of them are good at making friends and approachable, sometimes they might find it hard to belong to a certain social group; they often have to deal with identity problems. But there are some Korean-Americans who are completely nerdy with no trace of coolness and fail to make friends.

Korean Rice-boys
The ones who want to look cool and dress nicely; most of them don't. They tend to be less intelligent and less hard-working. Always in search of hot girlfriends and love fast, good-looking cars. Easy to become friends with, although some of them are cocky.

Fashionable, usually good-looking Korean girls who are rather skanky. Not as academically successful as many Koreans are, but many Asian boys or white boys with yellow fever would do anything to date them. Good dancers with good make-up skills that make their eyes look bigger; they might be shallow. But party on.

The very Korean ones who just arrived in America. They have thick accent or do not speak much English and like to play their Korean music. They don't really participate in atheletic events or social gatherings. No dance parties. Usually hang out with other Koreans or Asians with accents. Despite their rather horrible English speaking ability, they are amazingly expert in English grammar. Even better in mathematics, physics, and chemistry. Basically the only mathematicians who can beat them are either Chinese or Indian. Very competitive people who sometimes appear to be selfish, but many are actually nice and straighforward.

(There are many individuals who do not fall into any of these categories. Each and every one of these individualities, which only have their Korean-ness in common, should be respected. These are just streotypes I came up with to make the article interesting.)
A: Where are you from?
B: I'm from Seoul.
A: Oh, is that in China or Japan?
(If you're a Korean you might want to stop wasting your time talking to someone so ignorant.)
B: It's the biggest city in Korea. (and pretty awesome)
A: Are you from North or South Korea?
(Now is the time to leave.)

by Rimsta December 09, 2007
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Boy #1 - Damn, that korean girl is hot.
Boy #2 - Hotter than any white girl I know, thats for sure.
by Nate00009 February 02, 2009
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A race that makes up 70% of MMOGs.

*Statistic is based on nothing
From South Park episode 1008 - Make Love, Not Worldcraft

Kyle Broflovski: Wow, look at all these people playing right now!
Eric Cartman: Yeah it's bullcrap! I bet half of these people are Koreans.
by Tony Huynh April 05, 2008
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The people who you don't want to play at Starcraft. Their culture is basically Starcraft and they worship the Overmind. Like how people evolved from monkeys into civilized people, Koreans evolved from monkeys to Hydralisks and Zealots.
(In a chatroom)
#1 - "Dude, let get a game of Starcraft on."
#2 - "Alright, let's get a 1v1v1."
#1 - "Cool, I got a friend who plays."
#2 - "Who is he?"
#1 - "Some Korean gu---."
#2 - *signs out"
by PanzyWarfare June 28, 2009
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People with an Asian Heritage or familial background from the Republic of either North or South Korea. Usually have hard work ethics and value education. Most Koreans attend prestigious Universities ie, Yale, Harvard, Princeton and get into Business, Law, Medicine, Healthcare. Drive a Mercedez in usually what they call "Champagne or Gold" colored Benz's, and walk around with Coach bags with a golf hat. Korean men tend to be arrogant with fat pockets.
Greg: Hey Jung, why is your mom mad all the time?
Jung: Because , She's Korean with a hot temper. I didn't get into Yale like my brother did. Instead I got into Darmouth.

Greg: That's crazy.
by AmajitSingh May 21, 2010
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Koreans are one the most homogen races on the earth. The koreans have existed since 8000 b.c. The koreans have struggled much with fighting off chinese and japanese raids and have been fairly succsesful if you consider the amount of times they have been attacked and their population in comparison to the japanese and chinese people.

There are many modern predjudices about koreans as they would be more nerdy and stiff. These rumours are as much truth as the rumours about americans being fat, stupid and imperialists.
- Hey you know koreans only likes kimchee, electronics, other koreans, homework and they hate japanese people^

- Hey, you know Americans only likes fat food, money, weapons, more fat food and they africans, asians, jews, arabs, persians, indians and 50% of all whites
by Hangulkimchee March 19, 2011
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Located in Northern Asia.
Very nationalistic people. Full of themselves.
Koreans and Japanese hate eachother for sure.
Koreans own leading electronic companaies - Samsung and LG. Also apparently make 80% of all the nail-clippers in the world.
But yet Koreans make cheap cars.
Many of them are Christians.
They like spicy food-Gimchee.
Known for their corrupted government and yet one of few who put their own presidents(2) in jail for thier corruptions.
Well known for Tae-kwon-do, the only martial art that qualifies the Olympic.
Foumous for their addictive soup operas and movies in Aisa.
Koreans' last names are most likly to be one of these three: Kim, Lee, or Park.
Cellphone freaks.
Capitalism in South, Coummunism in North.
Usually irrational but kind.
Known for not being on time.
Soccer-lovers but not that good soocer players.
Also known for the crazy dictator in North. He looks very fat and ugly. And obviously insane.
Koreans are famous for
Electronics - Samsung, LG (South)
Vehicles - Kia, Hyundai (South)
Sports - Taekwondo, takgyun, gumdo, speed-skate
Economy - (average) in top 20 richest countries for South.
- dirt poor in North.
Government - Corrupted. Both North and South.
by Urban Dictionari July 11, 2006
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