Twenty-four seven

Meaning/Usage: Constantly; always available; every minute of the day and night

Explanation: There are 24 hours in a day and seven days in a week.

"7-11 is a great store because they are open twenty-four seven."
"If a business doesn't provide twenty-four seven customer support, they will not succeed."
"You better be careful because I'm going to be watching you twenty-four seven."
"They're available twenty four hours a day, 365 days a year."

A: "What web hosting place do you recommend?"
B: "Most of them are pretty good. Just make sure they have twenty-four hour technical support."
A: "All of them have twenty-four seven support. It's a necessity these days."

Other Common Sentences

"The cops are watching this area all-day every-day."
"There's no way to cross the border because they're constantly monitoring all the passage ways."