Burn up
Burn up verb - To disturb the peace of mind of (someone) especially by repeated disagreeable acts.
Flash
Flash verb - To shoot forth bursts of light.
Both terms in one sentence
- If they smash or pry open the box, its contents burn up in a flash.
Source: Self-Destructing Security - A scientist is trying to create a super-speedster, but his test subjects burn up when they accelerate, indicating that not only do they lack speed-resistant cells of the Flash, but the subjects can't slow down either, as only an idiot keeps running if they are overheating.
Source: Too Fast to Stop
Cite this Source
Flash and Burn up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/burn_up/flash
Burn up & Flash. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/burn_up/flash>.
Flash or Burn up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/burn_up/flash.
Google Ngram Viewer shows how "burn up" and "flash" have occurred on timeline