MK on Snapchat is "Mm OK." This slang is generally used for saying yes, affirming a statement or agreeing to an individual.

Mhm is a version of mm-hmm, an interjection variously used to express agreement or make an acknowledgment, among other senses. Mhm is especially common in the casual writing of the internet and text-messaging.

According to Urban Dictionary: "Importantly, using ‘kk’ instead of ‘Okay’ avoids any suggestion of sarcasm or doubt. There are lots of ways of inflecting Okay. kk is just pure acknowledgement; your message is received.

Hmu is an abbreviation for the phrase “hit me up.” It’s a request for social invitation, often posted online to announce that you’re looking for something to do and to encourage others to reach out to you.

On the internet, savage AF is a slang way to characterize something as extremely good, brutally honest, or as a ruthless takedown.

"Boy" is the most common definition for BOI on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok. BOI. Definition: Boy.

cute face Uwu is an emoticon depicting a cute face. It is used to express various warm, happy, or affectionate feelings. A closely related emoticon is owo, which can more specifically show surprise and excitement. There are many variations of uwu and owo, including and OwO, UwU, and OwU, among . . . Read more

an expression used in text messages or e-mails signaling happiness or laughter. XD is an emoticon. X represents closed eyes while D stands for an open mouth.

Lit – Exciting Calling something Lit or Lit AF means it is exciting and much more.

‘AF’ is an abbreviation for ‘As F***’, which is an internet jargon used on social media forums and more often during text messaging. It is used to add emphasis on the action or a feeling that you are trying to convey.