A general reference to something so out of the ordinary Thus it can be only used on very special occasions because it passes the use of swears and/or expletives in that form of awesomeness.
Being in a high energy drunken state in which you do ridiculous, spur of the moment things. This state is very desirable an often results in awesome, or funny stories.
Derived form the popular word redonkuless.
But has the added "ness" at the end for appropriatesituations. Can be used to make yourself sound more scientific. Handy when your under stress to impress.