Internet Slang start's with K

K OK

K33L Kill

K3U I Love You (I <3 U)

K9 Doggy style

KAFM Keep Away From Me

KAM Gorgeous, sexy

KAN Vagina

KATS Kick Ass This Summer

KAWAII Cute, pretty (Japanese)

KAY Okay

KB Kind Bud
Kilobytes

KBPS KiloBytes per second

KCUF F*** backwards

KD Kraft Dinner

KEED Kid, joke

KEEK Crap, pants

KEEL Kill

KEN Know (Scottish)

KEWL Cool

KEWT Cute

KEY Kilogram (of drugs)

KEYGEN Software serial number generator

KF Kinda Funny

KFC Kentucky Fried Chicken

KGB Russian secret police

KH Kingdom Hearts (RPG)

KHUF Know How You Feel

KHYF Know How You Feel

KIA Killed In Action
Know It All

KIFFE Blow job

KIG Keep It Gangsta

KIK A mistyped version of LOL

KILLA Good quality weed

KIM Keep It Moving

KINDA Kind Of

KINO Physical flirting, touching

KIO Knock it off

KIR Keepin' It Real

KIRF Keeping It Real Fake

KIS Keep It Simple

KISS Keep It Simple, Stupid

KIT Keep In Touch

KITTEN Woman who dates older men

KIU Keep It Up

KIV Keep In View

KIWI A person from New Zealand
A small brown bird from New Zealand
Kiwifruit

KJ Killjoy

KK OK, cool

KKK Ku Klux Klan

KKKK Korean LOL

KKZ Okay

KL Cool

KLKL Cool Cool

KLPD Kahre Land Pe Dhokha (Hindi/Urdu) sexual frustration, rejection

KLUTZ Clumsy or stupid person

KM Keep Mum

KMA Kiss My Ass

KMFA Kiss My F***ing A$$

KML Killing Myself Laughing

KMN Kill Me Now

KMP Keep Me Posted

KMSL Killing Myself Laughing

KMSMA Kiss My Shiny Metal A$$

KMT Kiss My Teeth

KNO Know

KNOB Stupid person
Penis

KNOCK IT OFF Stop it

KNOCKED Caught (selling drugs)

KNOCKED UP Pregnant

KNOCKOUT Stunning person or thing

KNOOB Knob + Noob

KNP OK, No Problem

KO Knock Out
OK

KOI Koibito (Japenese for lover)

KOL Kingdom Of Loathing (Game)

KOO Cool

KOOL Cool

KOOLS Mentholated cigarettes

KOS Kill On Sight

KOTC Kiss On The Cheek

KOTH King of the Hill (game)

KOTL Kiss On The Lips

KOTOR Knights Of The Old Republic (Game)

KP Korean Pride

KPC Keep Parents Clueless

KR Kind Regards

KRAM Smoke weed

KS Kill Steal

KTB Ok, Thanks, Bye

KTBSPA Keep The Backstreet Pride Alive

KTF Keep The Faith

KTFO Knocked The F*** Out

KTHX OK, Thanks

KTHXBAI OK, Thanks, Bye

KTHXBI Okay, Thanks, Bye (usually used dismissively)

KTY Ok, Thank You

KUDOS Respect and recognition

KUL  Cool

KUTGW Keep Up The Good Work

KW Kilowatt

KWEL Cool

KWIM Know What I Mean?

KWL Cool

KYB Kick Your Butt

KYFC Keep Your Fingers Crossed

KYPO Keep Your Panties On

KYS Kill Yourself

KYSO Knock Yourself Out