a humorous term for a marriage theorhetically 'made in heaven' but one that ends in divorce after less than 5 years.
in Hollywood any marriage that is not a heavened hell is actually hard to come by nowadays, with divorce being easy and women being financially independent.
The condition of "thick feeling" heat in a small place that you have to enter; also an exclamation of the same when experiencing it.
When it's very hotoutside and your car has been shut up all day, and you open it for the first time to get in and the temperature takes your breath away - that first blast of heat escaping is "heatness".