1. A hairstyle in which the back hair is slicked back and shaped to resemble a duck's tail, popular especially in the 1950s.
Usage: Usually plural or used as a mass noun; also called a 'duck's ass' or 'DA'; Associated with 1950s youth culture and greaser subculture
2. A type of cocktail made with vodka, lime juice, and other ingredients, served as a shot or mixed drink.
Usage: Informal; bar/mixology context

Examples

• He slicked back his hair into a ducktails style, just like the cool kids in the 1950s.
• The barber asked if he wanted to cut his hair into ducktails.
• Ducktails were a signature look of the greaser era.
• The bartender mixed up a round of ducktails for the group.
• His ducktails hairstyle made him stand out at the retro party.