I would then have to leave it to stealth, and when I did catch them I would give them a couple of dead-legs until they pleaded and promised they wouldn't do it again.
Alternative form of deadleg (pipe with no outflow)
1987, Wayne P. Olson, Michael John Groves, Aseptic pharmaceutical manufacturing::
In a WFI system, usually a distilled water loop, warm standing water can occur in dead-legs which are defined as dead-ends more than 5 to 6 pipe widths in length, and which extend downward, either straight or at an angle, from the loop.
1995, Grahame W. Gould, New Methods of Food Preservation, →ISBN, page 291:
Critical factors relating to preproduction sterilisation of food contact surfaces include correct assembly of equipment, and assurance that it is clean, and without crevices or dead-legs which are inaccessible for cleaning or heat sterilisation purposes.
2001, William R. Herguth, Thomas M. Warne, Turbine Lubrication in the 21st Century, →ISBN, page 44:
When a turbine oil lubricating system is drained of one turbine oil and refilled with another turbine oil, as much as 10 to 15% of the previous oil can remain in the system due to clingage, low-spots, and piping dead-legs.
Alternative form of deadleg (movement with hips and knees held stiff and straight)
1981, Athletic Journal - Volume 62, page 46:
There are many different ways to throw the change-up, and through the years pitchers on the Dodgers have used three different methods. They use a "dead leg" in back, which helps the body drop low; holding the ball with three fingers on top;
1990, Joe McFarland, Coaching Pitchers, page 103:
When a pitcher is trying to be quicker to the plate, often he will start to dead-leg.