Top Definition
A mixture of the word "riddiculous" and the character "Rodolfus Lestrange" from the Harry Potter book series by J.K. Rowling meaning completely insane or outlandish. Possibly even too outrageous for any other word.
"Wow! Chris, from Haunted Mansion, is wearing the most riddonkulus hat!"
by Katie Forman February 08, 2006
1 more definition
6 Words related to riddonkulus
A mixture of the word "riddiculous" and the character "Rodolfus Lestrange" from the Harry Potter book series by J.K. Rowling meaning completely insane or outlandish. Possibly even too outrageous for any other word.
"Wow! Chris, from Haunted Mansion, is wearing the most riddonkulus hat!"
by Katie Forman February 07, 2006

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