1. significantly more absurd than ridiculous
to an almost impossible extreme; without possibility of serious consideration.
2. fitted to excite absolute ridicule; intentionally crazy and silly; completely absurd and laughable.
"redonkulous" - as first popularized by the fictional character Seth Cohen on FOX's The O.C.
George W. Bush is the most redonkulous person in the world.
The first Bush administration was ridiculous. This second one is just redonkulous.
That was the funniest movie I've seen. It was consistently redonkulous. Absolutely hilarious!