caving adv [cave v]

In comb caving mad: Very angry.

1893 Akron Daily Democrat (OH) [15 Dec 4]/1, That’s what brought on the assault, for it is said the “professor” got caving mad when the request was refused. 1907 DN 3.229 nwAR, Cave. . . He was cavin’ mad. 1950 SW Rev. 35.179 ?AR, J. W. walked to the part of the room closest to the kitchen and slammed his books onto the floor. Then just as deliberately he dropped his lunch pail, feeling caving mad and mean.