but the water will. That's why it's safer to stick with espressos.
This many cups of coffee will kill you:
[...]an oral lethal dose for an 80kg human would extrapolate to 15,360mg of total caffeine. This technically is equivalent to the amount of caffeine absorbed from drinking 113 cups of coffee really really really quickly. However, the reality is that this figure would instead result in a fatality due to water intoxication since 113 cups is close to 30 litres of water.