1. flash over - Noun
2. flash over - Verb
flash over (countable and uncountable, plural flash overs)
Alternative form of flashover
flash over (third-person singular simple present flashes over, present participle flashing over, simple past and past participle flashed over)
To undergo flashover.
Now going by Emperor Zoom, Thawne has recreated the experiments necessary to become the Flash over an absurdly large scale. Source: Internet