Is used a lot by boys and tends to be annoying. Most commonly used at school to impress friends that they did something cool. A good way to annoy the heck out of girls.
Boy 1: Sheesh!!
Girl 1: Ok we get it, cool.
Boy 1: SHEEEEEEEEEEEEEEEEEEEEESH
Girl 1: That's annoying Boy 1-100: SHEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEESH
This Word Is Used Frequently In The Internet When Something Awesome Or Cool Happens, Most Of The Time This Word Is Said Among The Pose Called "Ice In My Veins".