1. to make a loud, dull sound like an explosion
2. to explode with a dull sound

1. a loud, dull explosive sound

Examples

• The artillery shells crumped in the distance.
• We heard the crump of mortar fire across the valley.
• The old building crumped as it was demolished.
• Each crump shook the windows of nearby houses.
• The bombs crumped steadily throughout the night.
• A distant crump echoed through the mountains.