If something is shellings, it's absolutely amazing. This is most used in UK Garage/ DnB subcultures. Many variations of this word is used to mean different things. Shellerz/ shellington / shelby are all different variations meaning the same thing. If a DJ is "shelling down" at a rave, it means they're shutting it down with their lyrical skill.
Taco Shelling is the female equivalent to tea bagging. That is to say when a woman squats over someone and presses her vagina into them. This can range anywhere from a sexual act to an amusing act when done as a prank or even a humiliating act when performed upon a defeated opponent. This is named as thus due to the internal and 'wrapping around' nature of the vagina. The act is akin to putting meat (or other things) into a taco.
Noun. Farmers slang. It's when an ear of corn gets pulled through the stripper plates of a combine and it curls the corn pop off.
How do you reduce Butt shelling? First I need to knowwhat it is. It's when an ear of corn gets pulled through the stripper plates of a combine and it curls the corn pop off. In order to reduce it you need better rollers for your cornhead.