Related Clues:

• Fix, as a driveway / Yelp reviewer, e.g
• Unceasing critic
• Xenophobe, e.g
• Antipathetic type
• Superfan's opposite
• A ''miso-'' person
• Sharp critic
• Movie critic, when giving stars
• Yelp user, say
• One dislikes half-hearted contributor to top fashion?
• Zagat, for one
• One loathes half-hearted madman?
• Twitter malcontent
• Inapt anagram of "heart"
• Person evaluating something