rumble-tumble
/ˈrʌmblˌtʌmbl/noun
1An attachment at the rear of a carriage for storing luggage or to provide seating, typically for servants; = rumble. Now historical.
2Rough or chaotic activity; rough and tumble, hurly-burly.
3 Indian English. Scrambled eggs, now typically cooked with onions, tomatoes, green chillies, and spices.
Origin
Late 18th century; earliest use found in Daily Advertiser. From rumble + tumble.