sparkgun
nounUK /ˈspɑːkɡʌn/
US /ˈspɑːrkɡʌn/
A sparkgun is a toy gun that makes bright little flashes of light.
The boy laughed as his sparkgun flashed in the dark.
OTHER MEANINGS
2. A device that shoots out tiny sparks for a show or effect.
The stage crew used a sparkgun to add drama to the concert.
3. A tool that makes small electric sparks to test or start something.
The mechanic used a sparkgun to check the engine.
4. A playful name for something that gives off quick, bright bursts.
Her camera was a little sparkgun of flashes at the party.