Slay is an interesting term that has transformed from its literal meaning to a popular slang with positive connotation. Traditionally, the term “ slay ” means to “kill someone violently”. However, as language evolves, the word “ slay ” has taken on new meanings in the world of slang. The meaning of SLAY is to kill violently, wantonly, or in great numbers; broadly : to strike down : kill. How to use slay in a sentence. Synonym Discussion of Slay . Get a quick, free translation! SLAY definition: 1. to kill in a violent way: 2. (used especially in newspapers) to murder someone: 3. to impress…. Learn more. Slay is a slang term that has firmly rooted itself in the digital lexicon, thriving on platforms like TikTok, Snapchat, and Instagram. It’s an empowering exclamation that signifies excellence, confidence , or admiration, akin to saying “you nailed it” or “you killed it.”