Spanking is when a hand smacks an ass. This is usually done to the female in this niche. However, it can also be done to males. Spanking requires at least two people and a willing ass. Spanking porn can be hardcore, but not always. Hands are generally used, but paddles can be also. The goal when spanking is to create pain, noise, and an imprint on the ass. When all three things have been achieved, the person receiving the spanking certainly knows it.