Muncie Evening Press, Indiana, January 19, 1922  

The effect on the sausage market of the slang expression is serious..

Returning soldiers revived the almost forgotten bit of slang and the public once more began to speak of “wienies” as “dogs.” The effect was instantaneous, Russell says, and sensitive people found themselves unable to eat sausages. 

As the phrase grew in popularity, sausages lost caste. Now only the hardened buy them.