| K | OK | 576
|
| K | Kiss | 601
|
| K | Strikeout | 601
|
| K | Kicker | 601
|
| K-pop | Korean Pop music | 596
|
| K3U | I love you | 588
|
| Kappa | Sarcasm | 532
|
| kara | Karazhan | 596
|
| Karen | An entitled woman | 553
|
| Kartrashians | Kardashian family | 600
|
| KAS | Kicking and screaming | 598
|
| Kayfabe | Pretending something fake is real | 594
|
| KB | Kiss back | 587
|
| kb | Kilobyte | 600
|
| kb | Keyboard | 600
|
| KB | Kick back | 600
|
| KCCO | Keep calm and carry on | 588
|
| KCCO | Keep calm and CHIVE on | 603
|
| KDA | Kills Deaths Assists | 550
|
| KDR | Kill death ratio | 551
|
| Keep it 100 | Stay true to yourself | 595
|
| Keeper league | Fantasy sports league where you keep your players | 600
|
| Kek | WoW Orcish laugh | 588
|
| Kek | Korean laugh | 604
|
| Keke | Korean laugh | 586
|
| KEKL | Cackling laughter | 587
|
| KEKW | Laughter | 581
|
| Kenergy | Conscientious masculinity | 596
|
| Kewl | Cool | 587
|
| Kewt | Cute | 596
|
| Keyboard warrior | A person that posts controversial opinions online | 585
|
| KFC | Kentucky Fried Chicken | 583
|
| KFC | Kid Fattening Clinic | 598
|
| KFY | Kiss for you | 600
|
| kgo | Ok, go | 581
|
| Khaleesi | Queen | 597
|
| KHUF | Know how you feel | 598
|
| KHYF | Know how you feel | 599
|
| KIA | Killed in action | 575
|
| Kicks | Shoes | 596
|
| Kicks | Fun | 580
|
| Kidult | An adult who acts like a kid | 597
|
| KIK | Laughing out loud | 598
|
| Kiki | Gathering of friends | 600
|
| Kill screen | A screen that prevents progress by a user | 596
|
| Kill yourself | Go away | 598
|
| Killfie | A potentially deadly selfie | 597
|
| Killin it | Being awesome | 596
|
| Kimye | Kim Kardashian and Kanye West | 589
|
| Kinda | Kind of | 564
|
| Kino | Cinema | 599
|
| KIR | Keepin' it real | 598
|
| KISS | Keep it simple, stupid | 597
|
| KIT | Keep in touch | 593
|
| Kiting | Moving while avoiding attack | 542
|
| Kittenfishing | Embellishing traits about yourself to create a false profile | 597
|
| KK | Kiss kiss | 601
|
| KK | OK | 521
|
| kk | K, kewl | 599
|
| KKR | Kill kill ratio | 598
|
| KKWT | Knock knock, who's there? | 603
|
| kl | Kool | 600
|
| KLM | Calm | 598
|
| KM | Kiss me | 600
|
| KMA | Kiss my a** | 602
|
| KMAB | Kiss my a**, b**** | 573
|
| KMB | Kiss my butt | 599
|
| KML | Killing myself laughing | 599
|
| KMMFA | Kiss my motherf***ing a** | 582
|
| KMP | Keep me posted | 600
|
| kms | Kill myself | 585
|
| KMSL | Killing myself laughing | 599
|
| KMSO | Knocked my socks off | 599
|
| KMUF | Kiss me you fool | 601
|
| Kneecapped | Greatly damaged | 598
|
| KNP | OK, no problem | 589
|
| knw | Know | 597
|
| KODA | Kid of Deaf Adults | 597
|
| KOL | Kiss on lips | 599
|
| KOS | Kid over shoulder | 592
|
| KOS | Kill on sight | 584
|
| Kosher | Acceptable | 597
|
| KOTC | Kiss on the cheek | 597
|
| KOTD | Kicks of the day | 599
|
| KotH | King of the hill | 598
|
| KOTL | Kiss on the lips | 595
|
| KOTLC | Keeper of the Lost Cities | 593
|
| KOTOR | Knights of the Old Republic | 598
|
| KOW | Knock on wood | 600
|
| KPC | Keeping parents clueless | 598
|
| KPI | Key performance indicator | 599
|
| Kpop | Korean Pop music | 584
|
| kptondl | Keep it on the down low | 597
|
| ks | Kingslayer | 607
|
| KS | Kill steal | 547
|
| KS | Kill screen | 598
|
| KSC | Kinda sorta chuckle | 593
|
| kthx | Okay, thanks | 599
|
| kthxbai | OK, thanks, bye | 599
|
| kthxbi | OK, thanks, bye | 599
|
| KUTGW | Keep up the good work | 597
|
| KUWTK | Keeping up with the Kardashians | 593
|
| kw | Know | 599
|
| Kween | Queen | 597
|
| KWIM | Know what I mean | 595
|
| KWIS | Know what I'm saying | 599
|
| kwl | Cool | 594
|
| KYFM | Kiss yourself for me | 599
|
| Kyle | A basic white boy | 595
|
| kys | Kill yourself | 595
|
| KYSOTI | Keep your stick on the ice | 600
|