seeing red - very angry
feeling blue - sad
in the black - making money
in the red - no money
in the pink - happy
pink slip - to get flighter
once in a blue moon - rare
Definition:
All the time; always available; without a break.
Example:
1) In New York City, a lot of stores are open 24/7.
2) I had to move because my neighbors played loud dance music 24/7.
3) I'm 24/7 mom!!! ข้อนี้เติมเอง อิอิ
Etymology:
Some convenience stores are open 24 hours a day, 7 days a week. The phrase is used for anything that is always (or nearly always) available.