noun
- sticky or messy substance
Usage: informal
verb
- to look or stare
Usage: informal
Examples
- There’s some green guck stuck to the bottom of my shoe.
- I need to clean all this guck off the windshield.
- Stop gucking at me like that!
- The kids were gucking at the animals in the zoo.
- What’s all this guck in the sink drain?
- Don’t just stand there gucking – help me move this table.