Related Clues:

• See 35-Across
• Gibberish
• Mouth part
• Expression
• Saying
• Challenge for a nonnative speaker
• 'Up the creek,' e.g.
• Special terms
• 'Talk turkey,' e.g.
• Dialect of a region
• Language quirk
• Specialized vocabulary
• Special vocabulary
• ''Going to the dogs,'' e.g.
• Hit the sack, e.g.