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1.
smer-bluh-j-uhn

–noun

a state of being in which one is completely bad-tempered, difficult, and cantankerous as a result of the fact that one thought it was friday and it turns out, it's only wednesday.

note: this word is not applicable for people in the service industry or kindergarten teachers with half-days.

alternate forms: smurbludging vr., smurbludgingly adv., smurbldgeonry, n.

Origin: circa 2009; the OED suggests origins arose in/or around harvard school of public health on a thursday that was thought to be a friday.
Your spelling bee word is "smurbludgeon"
by rizz mcwoods September 17, 2009