something that is so beyond ridiculous that it can only be expressed by the inane expletive, regoddamnfuckingdiculous. This is a combination of goddamn, fucking, and ridiculous, as well as an extra fractal on the obscenity that is known as regoddamndiculous. Often said in disbelief or awe rather than anger.
"what do you mean you let him punch you in the teeth? that's regoddamnfuckingdiculous you jackass!"
"dude...today was so regoddamnfuckingdiculous...I ate mushrooms today and tripped for 32 hours today before it was even nighttime..."