A 'cocktail hour' [=an hour when people drink cocktails] preceded the dinner.
The disease is being treated with a 'cocktail of' powerful drugs.
a dangerous 'cocktail of' chemicals
(..) How about a Grasshopper? I make a mean Grasshopper. Okay? Good, coming up. - Sheldon, what are you gonna have? - I'll have a Diet Coke. Okay, can you please order a cocktail? I need to practice mixing drinks. Fine. I'll have a virgin Cuba Libre. That's rum and Coke without the rum. Yes. So Coke. (..)2007 TvShow: The Big Bang Theory Title: The Grasshopper Experiment Season: 1 Episode 8