¤»¤»¤» (kkkk) is Hangul (the Korean alphabet) for hehehe or just giggling in general.
Cyworld, the Korean Myspace, is full of this word on every page. It is also used in instant messaging, similar to the use of LOL for English conversation. It is also common to see ¤»¤»¤»zz (since the ¤» key is on the 'z' key.)
Korean1: Did you go to supermarket today and buy kimchi?
Korean2: They have no kimchi. I make some. ¤»¤»¤»ㅋ (kkkk)
Korean1: ³ªÇѵ¥ ±èÄ¡ Áà! (Give me some kimchi!)
K.K.K.K refers to Klu Klux Klan Killer (Aka a white armed twitter girl on steroids)
And no sadly that definition only refers to social media, outside of wich KKKK refers to Knights of the Ku Klux Klan wich is a kkk member with acces to a radio station
(Laugh)Person- Isso é muito engraçado, kkkk
(Internet slang)User-Ive heard that a kkkk member assassinated several KKK Members in Memphis (Reality)News broadcaster- The kkkk have managed to manipulate more civilians into the kkk clan by abusing their fake kindness.
Ulzzang true definition is "best & "face" = best face in korean. They are basically people with above average looks, sometimes with the use of photoshop and haduri who post their pics online, some becoming internet celebrities.
"Hey, see that chick over there? She's pretty enough to be an ulzzang. :D"