Green’s Dictionary of Slang

schnitz n.

[schnitzel n. (2), i.e. the destroyed object has been fucked adj.1 (2) or given the shaft n. (2)]

(US) an act of destruction.

[US](con. 1969) M. Herr Dispatches 76: He was looking at the black napalm blasts and the wreckage along the wall. ‘Looks like the Imperial City’s had the schnitz,’ he said.