Adjective, : salty humor.    From Dictionary.com. 

Salt is good; but if the salt becomes unsalty, with what will you make it salty again?.    From Wordnik.com.  [Will Type For Food] Reference

Tablespoon unsalty artifact succus Tablespoon apple acetum or citrus ½ containerful sweeten freshly primer inglorious seasoner Readying: 1.    From Wordnik.com.  [UH Watch] Reference

It would be an immense clearing of the religious situation to-day on both sides of the Atlantic, if the saltless salt could be got rid of, either by removing the unsaltiness in it -- though that seems a hopeless task, it's so unsalty, and there is so much of it, and such a large proportion of it, and it's so well content with being just as unsalty as it is.    From Wordnik.com.  [Quiet Talks on Following the Christ] Reference

Having unsalty decks is also quite a novelty!.    From Wordnik.com.  [True Spirit] Reference