Butthole friendly

Any contraband item that will fit into a humans rectum without being too uncomfortable or detected.

Since his incarceration, the inmate has been inquiring about a butthole friendly cell phone.

The friendly neighbor

When having sex with someone in the dark next to a window. While in the middle of the act you switch roles with one of your friends, well she is looking out the window-your waving 👋🏾 to her while being fucked by your friend,that she didn’t know was there.

The friendly neighbor -We perform the friendly neighbor now we are all friends without her knowing we are all friends.