`Johnny' was applied as a nickname for Confederate soldiers by the Federal soldiers in the American Civil War; `greyback' derived from their grey Confederate uniforms
used by Northerners of Confederate soldiers; "the rebel yell"
take part in a rebellion; renounce a former allegiance
an improbable and unexpected victory; "the biggest upset since David beat Goliath"
turn from an upright or normal position; "The big vase overturned"; "The canoe tumped over"
cause to overturn from an upright or normal position; "The cat knocked over the flower vase"; "the clumsy customer turned over the vase"; "he tumped over his beer"