Related Clues:

• 'Relax, soldier!'
• ''Enough!''
• Opposite of 'Ten-hut!'
• Take a chill pill
• Sergeant's yell
• Chilling, so to speak
• Welcome command
• 'Settle down!'
• Drill instructor's command
• Not taut
• Drill instructor's shout
• Comfortable
• Lighten up
• Past tense?
• Opposite of "Ten-hut!"