Redunkulous- adj. the second higest degree of ridiculous. When something is amazing/ shocking/ surprising/ unbelievable etc. beyond normal amazement, but not completly unbeleivable. Something ouright crazy would use the higest degree of ridiculous (see redonkulous).
"Holy Shit that headshot was redunkolous"
"That bitch Tracy dumped me on valentines day. This is totaly redunkulous!"
"Jimmy forgot the beer!? This is completely redunkulous."
A combination of the words Rob and ridonkuolous, meaning doing something awesome but injuring somebody in the process. Rob is referencing the nameRobert, because most Roberts tend to be violent. Also, ridonkulous things tend to be awesome.
Tom: Dude, did you see that guy do a triple kiss-of-death backflip off a bridge on the news yesterday?
Jerry: Yeah, man. Too bad he missed the river and landed on an innocent pedestrian.