1) To put a lid on (something) to stop something from increasing.
The mayor wants to put a lid on spending.
Diplomats hope to put a lid on rising tensions between the two countries.
Usage notes: sometimes used in the form, put a lid on it, stop complaining:
Put a lid on it, Jeff, would you please?
2) Flavour of the month someone or something that has suddenly become very popular, but may not remain popular for long.
Role-playing games are suddenly the flavour of the month
3) Zero hours the exact time when an attack or other military action will start, the time when an important decision or change is supposed to come
The air force planes waited until zero hour in order to start out on their bombing mission.
We waited for zero hour and the time when the new computer system was supposed to begin operating.
4) Gloom and doom the feeling that a situation is bad and is not likely to improve.
There's been so much gloom and doom here, I think we should try to provide a smile.
5) To pig out to eat a lot.
Our kids dream of staying up late and pigging out on junk food.
6) Bag people Homeless people
Historically, the bag people appeared in response to economic and political collapse that ended organized delivery and distribution of food in the cities
7) Compassion fatigue A jaded attitude on the part of a contributor toward appeals for donations or charitable aid.
"More people are hungry today than ever before. Many rich people have compassion fatigue - tired out with all the repeated calls to do good."