Skull and gong on display in Agatha Christie house

What do you think the phrase '123 go.' signifies in a broader context?

How might the duration of 1210 milliseconds affect the interpretation of the phrase?

In what scenarios could the phrase '123 go.' be used effectively?

What emotions or actions might the phrase '123 go.' evoke in a listener?

Can you think of any cultural references or idioms that relate to the phrase '123 go.'?