The Shakespeare Programming Language
shakespearelang.sourceforge.net
shakespearelang.sourceforge.net
Each variable is a stack that can push and pop, with no error handling:
"Trying to pop when the stack is empty is a sure sign that the author has not yet perfected her storytelling skills, and will severly disappoint the runtime system."
Fantastic. All the user-friendliness of assembly indeed.
Edit: Just noticed 2001