What does "slay" exactly mean in this context? English is my second language and i'm not really sure about the meaning. I know that the verb "to slay" means "to kill" but it's used as a noun. Is it a meme? Sorry if the question is dumb. Ed...

Amazing patch with a lot of fun updates! But I didn't read anywhere in the patch notes if they fixed this bug, so I can finally lower some teammates voice.