Butter Rub
After partaking in a copious amount of extra buttery movie theater popcorn, your girl gives you a quick greasy hand job with her buttered fingers during the coming attractions.
I always order the largest bucket of corn at the movies. It ensures Rachel will give me a great butter rub before the movie starts.
Rubbing Butter
Butter you have to spread yourself on a food item.
”Granny hand me some of that good rubbing butter for my waffles”