The Kill-o-Zap is a weapon wielded by the police from Blagulon Kappa. It is a standard and widespread brand of raygun. It is a gun for going out and making people miserable with.
The Hitchhiker's Guide to the Galaxy by Douglas Adams
Unknown, “Kill-O-Zap Gun,” The Museum of Fictional Literary Artifacts, accessed February 9, 2023, https://mfla.omeka.net/items/show/100.