Answer: rumble

AnswerCrossword Clue
RUMBLEBack seat in former cars.
rumbleto make a long, deep, heavy sound
rumbleto make a deep, thunderous sound
rumblesuch a sound
RUMBLEBit of gang warfare
RUMBLEGang brawl
RUMBLEGang fight
RUMBLEStreet fight, in gang slang
RUMBLEExpression of unrest.
RUMBLE"West Side Story" scene.
RUMBLEGang confrontation
RUMBLESound of distant thunder.
RUMBLESharks-Jets affair
RUMBLEThunder sound
RUMBLEScrap in the street
RUMBLEThunderous sound
RUMBLEGang action
RUMBLELow noise
RUMBLEGang warfare
RUMBLEBattle between Jets and Sharks