When used in a sexual context it refers to the use of a blade to enhance a sexual experience. Knife play may be used in a variety of ways depending on the individuals sexual preference. It may range from simply showing the knife to instill fear, sensually running the knife along the partner possibly creating light cuts to heighten sensitivity and excitement, to even heavy pain inflicting gashes that cause permanent scarring.

A polite term for shoving a lubricated probe into the Earth's hole to release gas.

The act of running knives across another person's body without actually stabbing, for sexual excitement.

Getting perma banned from an arcade for playing a rhythm game incorrectly