The act of shaking a snack eg. Popcorn or M&M's back and forth in your hand in the hopes it will taste better.
Wow, that popcorn is so much better when you add a little snack-friction!
When a man jizzes in someones ass and proceeds to eat it out of them with a spoon, like a pudding cup
Hey did you see me totally snack packing that guys dad. Guy if you are reading this, you know who you are-
Putting a chocolate snack pack pudding cup into a vagina and eating it without a spoon
“Hey Carl.” said Barbara. “Start snack packing this chocolate pudding out of my pussy.”
An attractive Asian.
An inanimate object, not designed for the purpose, that has been inserted into the anus for sexual pleasure.
Jeremy often used his wristwatch as a snack potato while he masturbates.