Top Definition
Port-O-John on a shitty roadside job.
Where is Pedro?" "He's in the Mexican Sauna.
by hunterhansen April 09, 2011
When someone farts inside the car and locks all of the windows.
"Oh lord it smells like butthole. Why won't my window roll down?"
"Mexican Sauna!!"
by Count thugula September 10, 2011
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