time bomb

Have you anything in the line of a time bomb?

No one wanted to get too close to a human time bomb.

The two break into the house, only to find a time bomb at their feet.

He's like a time bomb, just waiting for the right moment.

For there was more involved than just a simple time bomb.

Now he knew no one would hear his time bombs going off.

That was when he had started a time bomb set by himself!

"This should be a good enough place to set up our time bomb."

All this means, among other things, that we have a time bomb in our social security systems.

All these months - it's been like sitting on a time bomb.