When something is smart and stupid at the same time, as in stupid for the idea, but smart for the outcome (and vice versa).
SMart/StUPID= SMUPID

A lot of things Freeman did in the machinima Freeman's Mind were Smupid.
by andkjagyugfjhbm July 31, 2009
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A very smart, stupid person. who can be a genius at one time and an complete idiot the next
by Wolfwriter14 December 20, 2016
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When u start something thinking it's really smart but ends up being really stupid
Boy thinking I could ride a skateboard at 52 yrs old was really smupid!
by justme69 February 05, 2018
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v. The act of knowing what to do and how to behave, pertaining to education, and choosing not to.
The student acted smupid when he needed to look up the meaning of the word, even though he was on a computer connected to the Internet.
by IslandWoman November 14, 2012
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Someone who has no idea what the hell they're talking about (usually a result of either ignorance or stupidity)
Jim "Hey, PS2 sure is a great console!"
Rob "No it's not, you're smupid
by John B. June 20, 2003
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A stupid lad like blake h that you already ko'd and he tries to shoot you through another person.
"Yeah those esbirros kids were so smupid"
by csomer December 14, 2019
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When you’re smart but really stupid at the same time.
My dogs are really smupid, they Can sit and give paw, but they still can’t figure out how to walk over something lying on the ground.
by DanninaJo May 24, 2020
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