Top definition
One who is always high, never does his homework, and is too obsessed with memes, anime and manga.
He's such Siyan!
Why?
He's never at school on time!
But he was posting memes this morning!
by Qwerswew April 12, 2017
Get the mug
Get a siyan mug for your father G√ľnter.

Available Domains :D

  • siyan.ninja