(Pronounced like slang) When an obnoxious person's (usually the girls, gays, and theys) entire vocabulary revolves around unironically using the word slay or bestie babe or other such words. (Almost like people who still dab unironically) They often say these words really loudly or in an annoying voice.
Parent: Honey, can you stop talking like that, it's giving me a headache
Kid: Mom, stop! It's just slayng.
Kid: Mom, stop! It's just slayng.
by PizzaPotatoFan May 23, 2023