ESI

2021 album by Nichlaus Beaty, or as he is professionally known in the Vada Vada community, Slater.
ESI is confirmed by Slater himself to be pronounced ‘sigh’ and can used in place of saying sigh.

Person A: “Have you listened to Slater’s latest album?”
Person B: “ESI? Or are you talking about his new EP?”

Person 1: “esi”
Person 2: “what?”
Person 1: “lol it’s like a cooler way of sighing”