Terse, so-so review

• Underwhelmed grunt
• "I'm less than impressed"
• "I'm not overwhelmed"
• Like "Captain Phillips" or "Argo," according to me
• [ ___ ]
• "I could go either way"
• "Whatevs" grunt
• "Not really a fan"
• "Doesn't do much for me"

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
expression of apathy or indifference, by 2003 (perhaps from 1992).