1. it is an acronym for the phrase "I'd Rather Do My Own Butt", which is commonly used at right after an assignment that is given from an english teacher that has a last name "Moore" in the Panhandle of Oklahoma.
2. An acronym used after being asked to go on a date or social event by an ugly woman.
Mrs. Moore: "Since you won't stop talking about Chuck Norris, you all can just turn in your assignment tomarrow."
Student: "IRDOB"
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