Originally, it kept its original meaning, but played on other temperature-related idioms such as cool and hot. Someone "tempid" was "cool" (someone "hip", or at the forefront of fashion) as well as "hot" (good-looking, sexually appealing).
2. Tasty Food
This is a term used more widely on the internet than verbal communication.
I am such a tempid guy!
Is she a cool chick? Yes, she's gorgeous too, she is tempid!
This food tastes tempid!