pop-a-nut sauce means: When stimulating males nutsack, ejaculate sauce is created. The sauce can be a nutritional liquid with a consistency that is clear and tasteless to white sticky oatmeal. It tastes similar to salty elmers glue. There are many ways to stimulate your nutsack. It can be as simple as a drip or as elaborate as a ceiling-painting eruption, depending on the date that sauce was made last. You can use this sauce on meat, chicken, steaks, pork rinds and women’s hair. (in Community Dictionary, added by Jaylon Meadows)