1. comparative form of mouthy; more inclined to talk back or speak rudely
Usage: informal

Examples

• The teenager became mouthier as she got older.
• He was getting mouthier with each warning from his teacher.
• The customer grew mouthier when told the store was closing.
• She’s much mouthier than her quiet sister.
• The player became mouthier after being benched.
• His responses got mouthier throughout the interview.