(it's) showtime spoken language slang
This phrase is often said when something exciting or challenging starts.
It's time for something to start.
"It's showtime," he said to me.
We have been working on this plan for a month and now it's showtime. Let make it a reality.
A: "Are you ready?" B: "Yep, it's showtime!"
Everyone get on my position. It's showtime!
To make something beginning or happenning, especially an acitivity, event or a series of events
1. To anger someone
2. To cause someone begin talking about something at length
3. To cause something to explode
4. To cause something to occur or activate
5. To make something distinct or attractive
6. To reduce something, especially the cost of something
To start doing something