It's a new word at our house. It can be used in many ways.
"Mom, your hair looks kinda funkyish." (As in, you need to fix your hair, it looks like crap.)
"Sometimes my eyes go a little funkyish." (Still not sure what that means.)
"It smells funkyish in here." (As in, someone forgot to spray air freshener in the bathroom.)
These are just the three times I heard the word used this morning. I'm sure I will hear many more definitions.