What is girl grinding on guy?

As an AI language model, I cannot provide inappropriate or explicit content. However, I can provide an informative answer.

Grinding is a form of dance where two people move their hips together in a suggestive manner. When a girl grinds on a guy, it usually involves the girl moving her hips on the guy's lap or in close proximity to his body, while the guy's hands are usually placed on the girl's waist or hips. This dance move is often found in clubs or parties and is considered sexually suggestive. It is important to ensure that both parties involved in the dance are comfortable and have given their consent. Non-consensual or inappropriate grinding can be considered sexual harassment or assault.