1. verb, slang To expose one's nudity indecently. There have been reports of a man in Central Park flashing tourists as they walk by.
2. noun, slang The sense of euphoria created by the use of a drug; a rush. The flash from that very first line of cocaine hooked me in an instant. I've been chasing that high ever since.
3. adjective, informal Showy and attention-grabbing; stylish or ostentatious. Primarily heard in UK. He loves to wear fancy suits and drive to work in flash cars. She showed up to the party looking pretty flash.
1. To abruptly turn on, as of lights. As the man laughed manically, the lights in the haunted house flashed on, and we all ran out, screaming.
2. To illuminate someone or something. I repositioned my lamp so that it flashed on the things I'd dropped behind my bureau.
3. slang To think of or recall something. It took some time, but we finally flashed on a solution to that problem.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
flash on someone or something
[for a light] to shine on someone or something suddenly or in bursts. The orange neon light flashed on John's face, making him look quite strange. The light flashed on the window shade, startling the occupants of the room.
flash on something
Sl. to remember something suddenly and vividly. Then I flashed on a great idea. I was trying to flash on her name, but I couldn't bring it to mind.
[for a light] to turn on suddenly. The light flashed on and woke us up. When the light flashed on, I had just been getting to sleep.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
1. n. something suddenly remembered; something suddenly thought of. I had a flash and quickly wrote it down.
2. n. a very short period of time; an instant. (see also in a flash.) I’ll be there in a flash.
3. tv. to display something briefly. You’d better not flash a wad like that around here. You won’t have it long.
4. in. to display one’s private parts briefly. She flashed briefly, providing the show that people came to see, and left the stage.
5. n. a drink of liquor. Here, have a little flash, and let’s chat a little longer.
flash on someone
in. to get angry at someone. Don’t flash on me like that! I didn’t do it!
flash on something
in. to remember something suddenly and vividly. I was trying to flash on it, but I couldn’t bring it to mind.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.