For men, this consists of a collared shirt with jacket without a tie. The pattern and colour of the jacket do not have to match with the pants.
For women, this order of dress offers a wide range of options. Skirt or pants are both fully acceptable. Jacket is optional.
Smart Casual is another way of saying no jeans and T-Shirt.
Wear business clothes in a relaxed fashion.
Completely down to interpretation; this always causes confusion and often spectacular results.
A mixture between smart and casual - should not be taken literally.
Bob- "Smart Casual"
Andy- "Well what the hell does that mean?!"
Jim- "Hey, is Andy wearing jogging bottoms with that blazer?!"
Bob- "Yeah it's Smart Casual"
"He was probably fucking Rosie up that tree"
"Ahhhhh, Smart Casual"
"Why did it take the police so long to track down the rapist?"
"Because he's a Smart Casual rapist, get me?"