Dry Docking a Steamer

Taking a shit in a sink, bathtub, or toilet that has no water in it.

Dale: "I'm a go take shit brb"
Rick: "Jeff is in there right now"
Dale: "I don't care i'll dry dock a steamer in the sink if I have to"

Jeff: "Where's Dale?"
Rick: "He's dry docking a steamer in your tub"