Possible Clues:

• — lozenge
• Undesirable frog location
• Uvula’s setting
• See 13-Down
• Hot tar damaged gullet
• Get it in the neck from flipping Chinese philosopher's ideal retweet about hothead
• There's no mud in Dartmouth where you'll find the frog?
• A turtleneck partially covers it
• Neck
• Passage that accommodates retreating soldiers