So-so, so to speak

• [Yawn]
• "It was fine, I guess"
• "I've seen better..."
• 'Doesn't excite me'
• "So what?"
• Interjection of indifference
• "Not a big fan"
• "It's just OK"
• Indifferent evaluation

Wikipedia Word definitions in Wikipedia
Meh is an interjection used as an expression of indifference or boredom . It may also mean "be it as it may". It is often regarded as a verbal shrug of the shoulders. The use of the term "meh" shows that the speaker is apathetic, uninterested, or indifferent ...