Howard Dean Syndrome, or HDS, usually occurs due to a crushing defeat in a situation that you were previously thought to have won with a landslide victory. HDS involves the subject screaming, shouting and generally acting like a crazy person which scares all nearby people and damages the subjects profile beyond repair.
Named after former presidential candidate and former Vermont governor Howard Dean.
"We're going to California, and Texas and New York. Then we're going to Washington D.C to take back the White House!. Yeeeaaaaargh!"