A term for a confined/enclosed bathroom with no vent fan or air freshener in which someone shits. The swamp box can last for up to 2hrs after if kept confined. Similar to Hot Box. Term can be used as a verb relating to the person shitting. Usually a Negative term
Terry. "What Stinks?"
Mary. "Dad took a shit, didn't turn on the fan, its a total swamp box in there."
(Knocks on bathroom door) "What are you doing in there, I don't hear the fan. Are you Swamp Boxing in there?"