An idiot who misquotes and/or mixes up Nostradamus' 'predictions'; also, any lunatic 'doomesday' or conspiracy theorist, especially those with access to a microphone or video equipment. (See: Glenn Beck, Jerry Falwell, Rev. Jim Jones).
"OMG!! Glenn Beck just said Arizona's gonna secede from the United States and become a sovereign nation!!" "Whoa, CHILL OUT dude; Nostradumbass doesn't know what the hell he's talking about."
by BoiseBoltfan May 15, 2010
He has the amazing ability to see up his own butt.
Yup he can just pop his head up in there and take a look all around.
see also head-up-ass-itus
Yup he can just pop his head up in there and take a look all around.
see also head-up-ass-itus
some idiot: it's 4:00 right now and in a half hour it'll be 4:30
me: Wow Nostradumbass , did you figure that out all on your own by sticking your head up your own butt and looking around?
me: Wow Nostradumbass , did you figure that out all on your own by sticking your head up your own butt and looking around?
by hey Holmes December 28, 2005
Someone who knows that what they are about to do is going to turn out horrible but they do it anyway.
by hnycutt December 19, 2016
"During an innocent game of Wii bowling, the opposing team kept behaving like utter nostradumbasses. Proclaiming they'd won before the last player went,"
by ProgPrincess November 8, 2009
a friend that is notorious for making comments or predictions that are either extremely obvious or extremely ridiculous.
by the pose June 13, 2010
by Uncle Rizzo July 29, 2010