(TrendHunter.com) Chili’s recently expanded its fan-favorite Big Mouth lineup to include several new burgers and a new Big Mouth Crispy Chicken Sandwich. Chili's Big Mouth lineup is a series of burgers known... (TrendHunter.com) Chili’s recently expanded its fan-favorite Big Mouth lineup to include several new burgers and a new Big Mouth Crispy Chicken Sandwich. Chili's Big Mouth lineup is a series of burgers known...