|Origin:||Originally (of liquid) 'to strike a surface'; from the sound|
to shine suddenly and brightly for a short time, or to make something shine in this way:
shine[intransitive and transitive]
Lightning flashed overhead.
flash something into/at/towards somebody/something
Why is that guy flashing his headlights at me?
Red warning lights flashed on and off (=shone for a short time and then stopped shining).
to be shown quickly on television, on a computer, or on a film
pictures[intransitive always + adverb/preposition]AM
flash across/onto/past etc
Images of the war flashed across the screen.
if thoughts, images, memories etc flash through your mind, you suddenly think of them or remember them:
The possibility that Frank was lying flashed through my mind.
to smile or look at someone quickly and for a short time:
'I love this city,' he said, flashing a big smile.
to show something to someone for only a short time:
show something quickly[transitive]
He flashed his identification card.
to send news or information somewhere quickly by radio, computer, or satellite
news/information[transitive always + adverb/preposition]TCB
flash something across/to something
Reporters at the scene flashed the news to their offices.
to move very quickly
move quickly[intransitive always + adverb/preposition]
A meteor flashed through the sky.
if your eyes flash, they look very bright for a moment, especially because of a sudden emotion
Janet's blue eyes flashed with anger.
if a man flashes, or if he flashes someone, he shows his sexual organs in public [↪ flasher]
sex organs[intransitive and transitive]SCC
if someone's life flashes before their eyes, they suddenly remember many events from their life because they are in great danger and might die
if a period of time or an event flashes by or flashes past, it seems to end very quickly
time passing quickly[intransitive always + adverb/preposition]
Our vacation seemed to just flash by.
flash something ↔ aroundphrasal verb
He's always flashing his money around.
flash backphrasal verb
flash back to
From here the movie flashes back to Billy's first meeting with Schultz.
flash forwardphrasal verb
flash forward to
The movie then flashes forward to their daughter's fifth birthday.