Top definition
A combination of the words Rob and ridonkuolous, meaning doing something awesome but injuring somebody in the process. Rob is referencing the name Robert, 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.

Tom: Dang, it was robdonkulous, man.
by philliesfan120 October 21, 2011
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