The urinal in between two men evacuating their bladders at their respective urinals that is left empty as a "spacer" due to a lack of dividers between the urinals in the bathroom for privacy.
Aaron: Damn it! There are no dividers between these urinals!
Victor: Looks like we're going to need to make sure there's a burned urinal between you and me. For privacy's sake.
Aaron: Yeah, and I don't want to see your piece, bro.