Noun-State of being resulting from an insane road trip with friends. Must have absolutely minimal planning, money-spending and fear of being arrested. Must also include a good amount of prank-playing, mooching and general irresponsibility from all members of the group, as well as videotaping of said events. Often used in conjunction with the phrase, "In accordance with the spirit of the trip." And fuck personal honor. It has no place in the ridiculosityness.
Man, this trip is total RIDICULOSITYNESS! (In accordance with the spirit of the trip)