"Hammer time" is a phrase that refers to a specific period or moment when it's time to take action or show great skill, just like a hammer is used for hitting something effectively. Full definition
It's hammer time for the famously intense leading man ahead of his starring role in You Were Never Really Here. (lwlies.com)
Cons: Stayed in a room next to the elevator and every time the elevator moved, it sounded like someone was pounding on the ceiling with a hammer (kayak.co.uk)
ACTUALLY hammer time pants are very IN.... (perezhilton.com)