Slayerism - A term of endearment used to describe an epic moment of metal, in reference to one of the greatest metal bands of all time.
Person A: "just convinced my mum to get me an ESP F-100 for ma crimbo"
Person B: "haha sweet"
A: " It's like Tom Araya's bass... but a guitar."
B: "Thats like an orgasm with strings right??"
A:" yep. combined with a kerry king mini amp. Instant slayerism