noun
- a sticky or wet messy substance
Usage: informal
Examples
- There was some kind of goop stuck to the bottom of my shoe.
- The baby got goop all over his high chair.
- She squeezed the green goop out of the tube.
- What is this sticky goop on the counter?
- The mechanic’s hands were covered in black goop.
- Clean up that goop before it hardens.