noun
- sticky or greasy dirt or residue
Usage: informal
verb
- to clog or make dirty with sticky substance
Usage: informal
Examples
- There was green gunk growing in the old pipes.
- I need to scrape this gunk off the bottom of my shoe.
- The engine was covered in oily gunk.
- Hair and soap scum gunked up the drain.
- Don’t let that sticky stuff gunk up the gears.
- Years of cooking had gunked up the exhaust fan.