Bass Sick Syndrome (also known as "BSS") occurs when you are in a car and the driver has the bass turned far to high.
In effect you get a feeling of nausea.
John- "Dude, I think Jerry is getting BSS."
Jerry- "PULL OVER I GOT BASS SICK SYNDROME!!"
Shwhaddup (pronounced Shh-wad-up) is a slang term for Hello or Whats up.
It originated at Los Gatos high school in Los Gatos, California.
Nick: "Sup Mike"
Mike: "shwhaddup!"