Sivallettoh

Sivallettoh is a word-phrase popularized by streamer Dario Moccia, originated by a crackhead in Collesalvetti, Italy.
It has a strong tuscan accent due to its origins.

Is often used at the end of something, an event or in some cases, a live streaming.
(it is now a layered meme)

(Goodbye Mode)
A: Alright guys, see you next week!

B: Sivallettoh!

(Advice Mode)
A: (non Sivallettoh-related sentence)

B: SIVALLETTOH!?!