Neateous Share definition Flag ADJ.: combination of the words "neat" and "righteous;" to be used as an alternative to either word or when something kickin' is going down. Amanda: "How do you like my clown shoes?"Chris: "Those are neateous, fo' sho'!" Neateous by PTTI925 February 3, 2010 0 0 Get merch Get the Neateous mug. Buy Now — $32.95 See more merch