1. the mouth, especially when considered as a place where food is put; used informally or humorously
Usage: informal; humorous
2. a small opening in a pie crust through which steam escapes during baking
Usage: culinary

Examples

• He stuffed another cookie in his piehole.
• Shut your piehole and listen for once!
• The baker poked a piehole in the top of the crust before baking.
• Don't talk with your mouth full—close your piehole!
• She made sure to cut a piehole so the steam could escape.
• He couldn't resist opening his piehole to make a joke.