flashes
flash-es
verb
To appear or cause to appear suddenly and briefly; to shine brightly.
"The lighthouse flashes every ten seconds."
noun
Sudden, brief bursts of light or brilliant ideas and insights.
"We saw flashes of lightning in the distance."
Thesaurus
Synonyms: flashing, flare, flashy, tacky, loud, trashy, tawdry, gaudy, gimcrack, brassy, meretricious, tatty