packing a lipper
When you grab a pinch of that nasty stuff like Skoal or Copenhagen and stuff it between your teeth and gum like you're trying to get your lip to explode.
My buddy packed a lipper so hard his lip looked like it had been hit by a truck.
I packed a lipper and my tongue felt like it was on fire.
She packed a lipper and now her lip is bigger than a donut.