Words at Play : Food Words Worth Savoring
Definition:
(slang) mouth
Examples:
"While not my favorite type of dessert, I found myself making multiple excuses to re-taste it and shoveled a little more into my piehole while my companion was distracted." Liz Moskow, Daily Camera, June 8, 2012
About the Word:
The word "piehole" dates to the 1983 horror movie Christine, in which a character says "Then shut your pie-hole."