When a female farts and some poop comes out. Female equivalent of "Hershey Squirt."
"Daaayum girl, that sounded wet and sloppy! You better check those panties and make sure you don't have a gravy packet back there!"
"I heard that! Did you just turn your panties into a gravy packet???"
"Girl, that was disgusting. Call McCormick spices, because it sound like you made a new recipe for a gravy packet."
"It's too early in the year for a Thanksgiving turkey, so clean that gravy packet out your pants."
Female equivalent of "Hershey Squirt."
"Daaaamn girl, I heard that...you better check ya panties and make sure it ain't no gravy packet!"
"Oooh, that sounded wet and naaaaasty...someone better call McCormick spices, cuz she got a recipe for a gravy packet back there..."