An innuendous exclamation used after describing sexual experiences.
Michael Rosen: "There we were, sitting in our rows, behind our desks breeding very very quietly.- No noise at all. Suus"
An adjective that can describe anything and everything, all depending on how the word is said.
"Damn, that girl is suus" Said in a disgusted tone if the 300lb girl is wearing a tank top
"Whoa, Suus!" Said in an amazed tone if your team comes back in the bottom of the 9th