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1.
The combination of retarded and ridiculous. When something is so ridiculous and stupid, the word ridiculous just isn't enough.
The Definition King's definition of "at a job site" is retardiculous.
by Boy Wonder March 31, 2005
 
2.
A mashup of "retarded" and "ridiculous" meaning the subject is so stupid and silly that it hurts.
Soulja Boy's new video is so retardiculous I almost cried.
by Dysphoriawithcookies February 26, 2008
 
3.
Something that is so retardedly ridiculous it's retardiculous...

I once was about to blurt out the "R" word in front of someone who has a disability. I tried to say ridiculous instead but it was too late...I had already begun to say "Retard...so out came RETARDICULOUS"
used when something is mind blowingly stupid, shocking or awesome...

Used in a sentence; "holy fuck! that is retardiculous!"
by i coined retardiculous April 23, 2010
 
4.
something that is unbelievably asinine. wrong on so many levels, though often goes unnoticed by authorities.
This checklist is so redundant. It's retardiculous that we should all have to do this.
by "the ryan" October 12, 2007
 
5.
A mashup of "retarded" and "ridiculous" meaning the subject is so stupid and silly that it hurts.
Soulja Boy's new video is so retardiculous I almost cried.
by Dysphoriawithcookies February 26, 2008
 
6.
Something or set of circumstances that is ridiculous to the point of retardation. It implies that only someone who is mentally challenged would accept/impose it.
"First my boss tells me to do one thing then after I've accomplished it, he tells me to undo it and do something else completely. I've spent my whole day working for nothing. It's retardiculous."
by Ryuzakilicious October 21, 2011