Susan T. Burch, LLC

 

Wordplay


 

Answer

 

The custom was to place a small piece of toast

in the bottom of the glass as a delicacy.

And since, in drinking to a person you drained your glass,

you literally drank the bit of toast.

 

Source: Why Do We Say It? published by Castle

 

 


 

 

 

 
 
 
Image