A category 3 level of being down bad, being down cataclysmic can only be used to describe someone willing to go so low that one would have to otherwise be insane to commit such acts. Down Cataclysmic is so bad that one does not even need to respond with a sentence, they can just say "Down cataclysmic".
Similar to down horrendous and down bad, but much much worse.
"I took an 8 hour plane ride and $140 dollar Uber to see her, but she was busy that day, so I jerked off to her Bitmoji in the public bathroom and then went home."
"Down Cataclysmic.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."