Sentence:  You could sit at a corner and order your <WSD>Suicide</WSD>, and one of two twin brothers who worked there would hold an old-fashioned soda glass, a heavy tall V-shaped one with a round foot at the bottom, and go down the line with one shot of everything—cherry, lemon, Coke, and chocolate syrups—before adding soda water. 
Meaning of the word marked with <WSD> tags:  A beverage combining all available flavors at a soda fountain.