The phrase "ticking timebomb" refers to a situation or problem that could become very dangerous or harmful if not addressed or resolved soon. It implies that there is a limited amount of time before the situation worsens or leads to a disaster.
Sentences with «ticking timebomb»
But, puppy mill puppies are ticking timebombs for illnesses and diseases. (russiandog.net)
Our exclusive preview of Suicide Squad # 38 shows DC's new replacement for Task Force X - but is THE WALL a supersoldier ticking timebomb? (screenrant.com)
Diabetes is a ticking timebomb for people and the health service. (politics.co.uk)