(idiomatic) Instantaneously; very quickly; in almost no time.

plural of flashing

sudden bright light

simple past tense and past participle of flash back

simple past tense and past participle of flash over

plural of flash fiction

Taking photographs using a camera with a flash.

(roofing) Flashing, usually composed of metal, used to cover or shield the upper edges of the membrane base flashing; wall flashing can also be used to cover the top of various building components, such as parapets or columns.

Someone who participates in a flash mob.

plural of blue flash