Step 1: Wait until night time. When target is asleep, remove door knob from door.
Step 2: Insert dick into hole. Use stepladder if necessary.
Step 3: Knock. Wait.
Step 4: Brag.

How to dick nob someone.

Step 1: Wait until nighttime. When target is asleep, remove door knob from door.

Step 2: Insert dick into hole. use a step ladder if necessary

Step 3: Knock.

Step 4: Wait.

Popularized by the internet comic, Cyanide and Happiness, the prankster removes the doorknob to the victims' room when they are asleep. After the knob is removed, the prankster sticks their dick in the hole and knocks on the door to wake the victim up. After the victim tries to open the door, mass chaos will ensue.

A prank where late at night you remove the door knob and stick your dick through the hole. Then you wake the person inside.