Crump

And there was another bit [of a hymn]: ‘To an inheritance incorruptible. … Through faith unto salvation, Ready to be revealèd at the last trump.’ For ‘trump’ we always used to sing ‘crump.’ ‘The last crump’ was the end of the war and would we ever hear it burst safely behind us?

Source: wiktionary

Crump, crack! A shell exploded near them and the whole aircraft yawned to port as if somebody had punched it through the sky.

Source: wiktionary

Above this grey skyline slowly lifting clouds of dirty smoke rose into the morning air as the salvoes of Japanese shells exploded with a delayed crump.

Source: wiktionary

"Now you can see what life is like for us here," said Yakov Shoshani, raising his voice to make himself heard over the sound of a loud crump.

Source: wiktionary