Definition of "slippered"

139, the vacuum-fitted Wee Bogie, was transferred to Girvan after a time, and The Mool got her—Will Eaglesome that went to the Argentine—so you may guess 139 didn't lead a life of slippered ease.

1941 January, David L. Smith, “Still More G. & S.W. Night's Entertainment”, in Railway Magazine, page 18