A mixture of retarded and stupid for something that is undescibable it has to have it's own level.
"Damn, what he just said was so fucked up it was retupid"
by gmann2388 February 4, 2007
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When someone is acting retarded and stupid at the same time
Billy: How do I flip and tumble a bag?
Ryan: You retupid if u dunno that shit!
Billy: Damn.
by Kilspeen March 30, 2018
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when someone acts so retarded and stupid to where you have to combine the two words together
Kehniyah was acting retupid asl today at school
by Krissy_B April 7, 2018
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