gawper
/ˈɡɔpər/
noun
- A person who stares stupidly or rudely, often with their mouth open, especially at something unusual or shocking.
- The accident scene attracted a crowd of gawpers who blocked the road.
- A few gawpers stood on the sidewalk, watching the street performer with blank expressions.
- The museum guard asked the gawpers to move along so others could see the exhibit.
Synonyms