Summary
Highlights
To 'get cold feet' means to become really anxious and nervous about something, often to the point of backing out. An example is someone getting cold feet before skydiving or a wedding.
If something 'does not hold water,' it means it doesn't appear truthful or valid, like a weak excuse or argument. It's compared to a leaking glass that can't hold water.
A 'feeding frenzy' describes consuming something frantically, whether literally (like sharks eating) or figuratively (like reporters aggressively seeking information about a scandal).
To 'get a word in edgewise' means to be able to say something in a conversation when another person is talking continuously and not allowing an opportunity to speak.
A 'heads up' is an update that provides new knowledge or understanding about something, often a warning or advance notice about upcoming changes or problems.