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1. steesh
A thick, fluffy mustache
Burt Reynolds has a wicked steesh.
2. steesh
A variation of the word "stache", used to define a incredibly nice mustache.

(pl) - Steeshes
I was eating some cookies the other day and got some crumbs caught in my steesh.

(PL) - You know you are watching a good 80's porn by the quality of the steeshes.
3. steesh
Just another word for plain old cocaine.
Hey Ray Ray let's got get some steesh and bang up them rails.
4. Steesh
Scottish word meaning something amazing class shit hot

Joe " Like ma new motor"
Pete "its a Steesh mate"
5. steesh
A fine looking woman. A smokin hot chick. Other forms include "steesha" and "Steeeeesh"
A gorgeous woman walks by and you say, Steesh!