mrugać światłami in inglese:

It happened in a flash.

Flash photography is not permitted beyond this point.

One of my major complaints about the iPhone is that it doesn't support Flash.

The iPad would be a better product if it could handle Flash.

Tom doesn't want an iPad. He wants a portable device that supports Flash.

I wish I could figure out how to get Flash to work on my iPad.

You can't view Flash content on an iPad. However, you can easily email yourself the URLs of these web pages and view that content on your regular computer when you get home.

In all the excitement the 30 minute show-time passed in a flash.

I expect you've chanted "kuwabara kuwabara" after a lightning flash, or have seen somebody do so.

I use flash cards to study my German vocabulary.

Thanks God, Apple is dumping that Flash crap!

I have a vivid memory of the sun flashing above me,

Definition if a light flashes or if someone flashes it, it goes on and off very quickly. If you flash your lights while you are driving, you turn your main lights on and off very quickly as a signal to another driver

Lizzie’s photos weren’t very good because she didn’t use the flash on her camera.

Cameras can take pictures at night thanks to flash.