Hyperbomb

The hyperbomb of that day will have lost meaning as a weapon and gained meaning as a complex substitute for Francoise Sagan's "sports" car, as this death device is so playfully called.

Source: wiktionary

"He went back inside," Igor grunted. "After examining the artefacts we'd packed for dispatch. Probably wants to make sure the computer records don't describe them as ultra-guns or hyperbombs or whatever the hell."

Source: wiktionary

We entered an area where a hyperbomb had been detonated during the war.

Source: wiktionary