LWK stands for the phrase low-key, which has been used for ages to describe something not too intense or subtle. This quickly made its way into social media and texting, with many people shortening it to LWK for their quick exchanges. Most internet slangs go this way, to have messages typed out and read faster.
Know more: https://radarro.com/lwk-meaning/
From low-key to a zippy acronym, language sure does evolve faster than my grocery list disappears after payday. I always thought it sounded like a sci-fi robot. Seems like everyone's shaving syllables these days for speed, it is a new form of efficiency in communication. I remember back in college, texting was just taking off, and trying to decipher all the abbreviations was like cracking a secret code! I was completely lost trying to understand my friends' slang-filled messages until I found an online slang dictionary - a total Block Breaker for my clueless self.