An alternate name for the cupholder below your car's door handle, specifically the one in the front seat. Combination of "door" and "jam" because nothing fucking fits in them.
Ron: "Hey Billy, why are you holding your water bottle on your lap?"
Billy: "Because the doorjam is too bloody small to fit it."
Billy: "Because the doorjam is too bloody small to fit it."
by average MGR:R enjoyer July 13, 2022