Green’s Dictionary of Slang

(US black) a thrashing, a beating.

1916		Hall & Niles One Man’s War (1929) 190: He found himself engaged by about five Fokkers, and what a ginning they did give the poor boy!
1938		J.H. Warner ‘A Word List From Southeast Arkansas’ in AS XIII:1 5: ‘They gave him a good ginning.’ That is, they gave him a severe reprimand or beating.