An interrupting phrase used to ignore an annoying person mid-sentence or to just make them feel bad about themselves.
Gio: "Oh hey bro, last night I was just sitting there on my computer and I was browsing your myspace pics and..."
Brooks: "SNICE"
Gio: "Awww boo hooooo!" *cries*
Chrissy is feeling rather ssiece today.
I just took a huge ssiece in your toilet.
You just sseiced the hell out of that girl.
As Michele was running away she ssieced over the fence.
Kyle has a ssiece body; he could be a model.
The gang, Kretschanz, is so ssiece when it comes to being cool.