1. plural of rumbler; things or people that make deep, rolling sounds
2. members of a gang or group involved in street fighting
Usage: slang; dated

Examples

• The old trucks were real rumblers as they drove down the highway.
• Thunder rumblers echoed across the valley during the storm.
• The motorcycle rumblers woke up the entire neighborhood.
• In the 1950s, the rumblers from different schools would meet after dark.
• The bass speakers were powerful rumblers that shook the walls.
• Street rumblers often gathered in empty parking lots.