A made up word that makes no sense. It is supposed to mean good. It's equivalent to people in Nor-Cal saying "hella." It's just dumb people not being able to express themselves..just saying words that AREN'T cool or funny!
Originated in PV,CA by some retards.

Used to refer to or address teachers or masters of traditional Japanese arts

(Adj.) Shisho- A term used to describe the indescribable; a feeling one experiences when something is too cute, too loveable, too squeezable, and releases a large amount of endorphins in the central nervous system. (Basically describing something extremely cute)