to be ridiculous to the point of no return, crazy, insane
ex.- (girl 1) i forgot how to spell my own name!
(girl 2) thats Riduckulous!!!!
1. Something that is ridiculous but mildly entertaining
2. Something that is totally Bitchin' or Groovy
Megan: What if you ran up that tree and did a back flip then landed on the second level of the stairs and ran and cracked George's neck then jumped into that tree and perched like a squirrel.
Gonzalo: That would be Riduckulous!