Just so we’re perfectly clear:
There is no slice of orange in an Old Fashioned.
There is no cherry in an Old Fashioned.
You do not mash up fruit of any kind in an Old Fashioned.
There is no seltzer, soda water, ginger ale, or lemon soda in an Old Fashioned.
There is no vermouth of any kind in an Old Fashioned.
There is no beer in an Old Fashioned.
There is no lemon juice, lime juice, orange juice or sour mix in an Old Fashioned.
There are no frothing agents in an Old Fashioned.
You do not shake an Old Fashioned.
[Old Fashioned 101, via Evan]