Crazy Bus Syndrome is a disease of the mind that causes people to act absolutely crazy when crowded on a bus. It usually occurs with younger people and is more powerful in groups.
Boy 1: I'LL RIP YOUR HEART OUT!!!!
Boy 2: Relax, it's just the CBS (Crazy Bus Syndrome) talking!
Boy 1: Why did you punch me in the face on the ride to New York?
Boy 2: Sorry, I was suffering from CBS (Crazy Bus Syndrome).
The act of something being very awesome and exciting. Almost on the verge of insanity. Also could refer to the weirdness or oddness of a person or of their actions.