Deuce Chamber

The toilet designated for all poops to take place.

Hey man don't shit in that toilet use the downstairs deuce chamber.

deucing chamber

A chamber constructed for the purpose of watching one's wife or husband experience an extramarital affair. May be utilized for either cuckoldry or a threesome.

Q: Where do you think the mayor's deucing chamber is?
A: The deucing chamber is likely built beneath his indoor bowling alley.