- down the rathole, for a worthless purpose or purposes: seeing your inheritance disappear down the rathole.
Origin of rathole
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for rathole
He had seven hours to go and he was still at least 16 kilometers from Rathole.
There was nothing to do but turn back to Rathole and see if some other way could not be found.
You will have to take a groundcar to Rathole and bring the fellow back.
One of the men of Rathole came to Jan's side and tried the engines.
He knew every rathole of the system, with the same intimacy the rats knew them.Shock Treatment