This term cripples the famous exultation of Cristiano Ronaldo, a famous footballer.
“Sium” is often used by Italians on Twitch and was initially created by the streamer Tmblur, also known by the name of Blur.
It is used as an adjective to indicate something as mighty or incredibly positive.
Guy 1: Happy birthday bro, this year i got you a PS5, hope it makes you cheer!

Guy 2: Yo thanks bro, SIUM!
by MANUFRA2 December 30, 2021
Get the Sium mug.
A weird guy who will probably use a fake name for 3 weeks, he's named Marte. He will say 'sium' in any situation. He always gets called on the telephone and has bitches around his dick everyday. Cat lover.
Girl 1: Are you a cat or a dog person?
Girl 2: Can't you see? He is for sure a cat person!
Marte: SIUM!!! SIIIUUUUUUUMMMMM
by Marte Sium June 24, 2020
Get the Sium mug.
A person who has a fat E, and is very sus.
Thats cap Edadi Sium, I was in electrical seeing you fat E go down in the vents
by ImGodUsopp October 30, 2020
Get the Edadi Sium mug.
A dude who has the fat E and is very sus,
Edadi Sium that's cap, I was in electrical
by ImGodUsopp October 30, 2020
Get the Edadi Sium mug.
He is sium

Anyone will fall in love him for being sium
by Kanizmitu November 23, 2021
Get the Sium mug.