kill time(redirected from killed some)
To engage in an activity, usually a rather aimless or idle one, with the goal of making time seem to pass more quickly or less slowly. I'm going to walk down to the bookstore to kill time before my flight. Do you want anything? It used to be that people killed time at the train station by talking to each other, but now everyone is nose-deep in their phone.
Fig. to use something up, especially time. I killed time reading a novel. The employees were not encouraged to kill time.
Pass time aimlessly. For example, There was nothing to do, so I sat around killing time until dinner was ready. This idiom was first recorded about 1768.