noun Older Slang.
Origin of sockdolager
Examples from the Web for sockdolager
And then the big news broke–the Sockdolager had been found–and there was a stampede that went clear to the peaks.
The fight for the Sockdolager Mine was on and Wunpost led off up the canyon with a swagger.
She followed along behind him, and already in her thoughts she was the owner of the Sockdolager Mine.