The muggy and smelly result of the bathroom when you have completed taking a steaming hot shower after you have taken a massive dump.
Don't go into the bathroom, it's like a Tijuana sauna
by Roy Folker July 30, 2010
An outhouse or porta-potty which has been overused on a hot summer day.
I gotta take a shit, but I don't want to use that Tijuana sauna
by KiLLeRfriend October 02, 2009