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A kawaii youtuber known for his CRAAAZY commentary. He's also married to Love2020.
Sykkuno's ships are Lilykkuno and Lovekkuno
Sykkuno by LoLkk January 6, 2015
Related Words
A type of fuckboy who is averse to commitments, manipulative, and primarily interested in casual sex while often leading partners (typically Vtubers) to believe otherwise. It is generally used as a pejorative to describe a man who is immature, entitled, and untrustworthy in relationships.
A: "Wait, didn't Sykkuno tell you he was single last month at the Paris event?"
Hem*m*l: "Yeah, right before he ghosted me for two weeks. I finally posted the 30-page Google Dockey showing he's been love-bombing me and other girls at the same time."
A: An e-boy being outed as a sexpest fuckboy? Color me surprised.
Sykkuno by Century Orion April 11, 2026

Sykkuno Effect 

Whenever a male streamer interacts with Sykkuno, said streamer will fall in love with Sykkuno regardless of their sexuality.
Ninja: i love you sykkuno!
Sykkuno: o-oh, t-thanks i guess. :flushed:
Chat: Sykkuno Effect EZ
Sykkuno Effect by heflax October 10, 2020
How Jack says Sykkuno (Sykkunii)
Oh hello everyone.” - Sykkuno
“Sykkuniii!!” - JackSepticeye
sykkuni by Lucy :)) February 11, 2021