Pseudo-Spanish for "deal", used to lend an air of urban-chic to an otherwise urbane sentence.
Ok folks, here's the deal...
- vs -
Alright peeps, here's the dealio...
by Woody January 24, 2005
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Contraction of "deal" and "yo."
"What's the dealio?" ("What's the deal, yo?")
by eurobikermcdog October 26, 2006
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Popularized in a Missy Elliott song by the same name, the phrase "What the dealio?" is equivalent to "What's the deal?" or "What is up with this situation?"
What the dealio?
by Osh L November 29, 2002
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A common misspelling of the term "dilly, yo".
"What the dealio?" instead of "What the dilly, yo?"
by UF Warren July 17, 2007
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What a Contracting Officer uses in place of "deal" when he is trying to be cool (read: decidedly uncool).
Larry said to Don "What's the dealio with this mod?"
by xtheowl September 14, 2006
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"Popularized in a Missy Elliott song by the same name..."

Fucking tweens and 20 somethings need to stop applying retarded, wishful definitions to words that were around before their birth. "Dealio" was not popularized by missy elliot, as it has been used consistently 20+ years before her music career got off the ground.
What's the dealio with all the wanna be hipster jackasses that fabricate definitions on UD?!
by spankusmaximus October 26, 2010
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