Related Clues:

• 'Doesn't matter'
• Slangy word of indifference
• Sound of boredom
• [Yawn!]
• Just so-so
• Underwhelmed grunt
• So-so, so to speak
• 'I could take it or leave it,' slangily
• Meh
• “Who cares”
• 'Whatever' grunt
• "Whatever" grunt
• Yawner's sound
• Exclamation popularized by “The Simpsons”
• Interjection of disinterest