Origins: the adjective root, ridonkulous, evolved from the ithyphallic wordplay of replacing the "dic{k}" sound in ri·dic·u·lous with "dong" (the "g" becoming silent). The spelling of the root using a "k" instead of a "c" results from the common misconception that the word donkey is somehow related.
exceeding the capacity of normal human belief. especially pertinent to those events whose stastical probability of occuring is equal to the chance of surviving repeated scud missiles to the face.
I just dropped the most redonkulus load this morning.
I just went on a 16 person knife run on fy_iceworld2k. That was redonkulus!!