A fork of Rural Dictionary
Rumpety Bumpety Army Truck. Any soul destroying vehicle designed for not carrying troops in but used for carrying troops
They promised us a 52 seater coach at ENDEX but we're going back in a bloody RBAT. I'd rather shit in my own eye sockets than travel 50 K in a RBAT. The Navy and RAF travel back in White Fleet, but it's an RBAT for you lot