look up any word, like jamflex:
 
1.
Tah greatest
by Anonymous May 01, 2003

Words related to Saiko

awesome amazing cool horrible psycho psyco
 
2.
A word that is Japanese. It means awesome but it is pronounced Psyco. It is used commenly around my neighborhood, and that is not a lie.
Person 1: OMG, that outfit is Saiko!
Person 2: Psyco?
Person 1: no, no. Saiko as in Awesome?
Person 2: oh that's soooo saiko!
by Asians_are_over_powering_you June 13, 2011
 
3.
The yaoiest person on all of the world.
Dudes, Saiko loves her some yaoi.
by Tony July 19, 2004