Wiktionary
gungy
a. having the texture or feel of gunge; gooey or gunky. alt. having the texture or feel of gunge; gooey or gunky.
Usage examples of "gungy".
I'm sure it's gungy, but it'll do, and my mother will lend you a pair of her boots and old jeans or riding breeches.
The PAT had not changed much in the last three hundred years or so - it was still gungy and a little frightening.