To go hamburgers is to go crazy. It originates from the turn of the century when cooking hamburgers was done in a vertical broiler, which people found strange...crazy even.
From then on if someone is "going hamburgers" it is when they do something out of the norm.
Did you see that Joe got fired for going hamburgers on an investor?
A Mimosadone is a cocktail made with soda water and orange juice. The purpose is akin to Methadone's purpose in weening heroin users off the drug. After brunch season it is oftern hard to go back to straight oj and the bubbly water simulates the effects of sparkling wine.
I need a mimosadone to get my fizzy oj fix.