Related Clues:

• Sans ice
• 'Swell!'
• Not having a hair out of place
• Undiluted, as liquor
• A way to drink whiskey
• Like some drink orders
• Unmixed, at a mixer
• 'Nifty!'
• ''Cool!'' old-style
• Undiluted, as whisky
• Unmixed at a mixer
• Straight up or straightened up
• Well-kept
• "Cool!" old-style
• Nifty