Siso

What is Siso?

a retard or to be retarded. Its name originates from a school called Sisobel for mentally challenged people.

1. George is being siso. (George is being retarded)

2. George is a siso. (George is a retard)

See retarded, retard, dumbass, moron

Ziff

1. A word that can be used in place of "as if" Friend: dude i hooked up with Jessica Alba last night. You: Ziff, you did not. ..

Xobe

1. One who PWNs, i.e. virtually ass-kicked. Commonly known to be a misspelled version of "owned", but definition is applicable. ..

Nurkle

1. A person who learns by doing things wrong - even though they've been told both what not to do AND how to do it right ! Coach: &quo..

All you need for a faster workflow in one place.

Siso Edit Meaning