Door Knobber
Where one uses the mail slot on a door as a makeshift glory hole to receive fellatio.
Man, I got the best door Knobber last night.
Door knobber
A man or a women puts a door knob in their butt then someone is on the other side twisting the door knob.
Ryan: “didnt Rebecca come over last night?”
James: “yeah I gave her a door knobber.”
James: “yeah I gave her a door knobber.”