Docking procedure 

When you punch someone in the stomach then run behind them to fuck their asshole . It may include elbow deep fisting .

When in prison watch out for the guys wanting to show you their docking procedure

Docking procedure by Dr.FistHer February 3, 2024

pre-docking procedures 

Foreplay before fucking.

You can't just thrust your cock in the pink and fuck without a little loving and pre-docking procedures first!

pre-docking procedures by pentozali November 23, 2010