You’d rather own a wug than a slithy tove—trust us. All this to say that the finer criteria for nonce words are debatable, and you could probably make an argument against the nonce-ness of any ...

But there are a lot of words that are “in” the English language, primarily in the sense of being in dictionaries of the English language. Those dictionaries are full of Nonce words ...

That, I think, makes it a "nonce word," defined by the Oxford English Dictionary as "A word apparently used only 'for the nonce,' i.e. on one specific occasion or in one specific text or writer's ...

In particular, “nonce words that reflect nothing more than verbal constructs” are often construed as means-plus-function terms when they fail to provide a “sufficiently definite meaning ...