one who is not the brightest bulb in the tanning bed.
oftenly compaired to "a retard"
shut up!! you sound like a duper!!
by mcshmenna April 28, 2008
Top Definition
when something is better then super its duper
Hey Banard that sandwich was duper good.
by Joe Grande February 27, 2004
wholesome, wonderful, well practiced
Super duper child!
by SAJUsuperdupercousins April 03, 2011
As a state of being after use of very potent marijuana.

Being "super duper high", but being too high to say the entire phrase.
No Sarah, I can't come in to work today, I'm duper.
by Herro dere... February 02, 2011

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