time bomb noun
plural ∼ bombs [count] 1 : a bomb that is set to explode at a particular moment 2 : a person or situation that will probably become dangerous or harmful in the future
▪ He's a time bomb getting ready to explode. ▪ If we don't do something about the pollution problem, we'll be sitting on a ticking time bomb.
▪ He's a time bomb getting ready to explode. ▪ If we don't do something about the pollution problem, we'll be sitting on a ticking time bomb.



