!frjnrehrbwgyrigbyieurgbyfaerkhbvrwgtr.

!frjnrehrbwgyrigbyieurgbyfaerkhbvrwgtr.

Paradigm(s)	Joke
Designed by	Sawyer
Appeared in	2025
Memory system	None
Computational class	Joke
Reference implementation	Unimplemented

!frjnrehrbwgyrigbyieurgbyfaerkhbvrwgtr. is a completely useless, destructive joke esolang. It is intentionally trivial and designed to "crash" interpreters or browsers. It is inspired by absurd esoteric languages and is considered a humorous "rage-trigger" programming experiment.

Core idea

The language has only one command: `^`. Executing `^` in an interpreter simulates a system crash or freezes the environment. All other characters, including the final period in the name, are ignored.

Commands

Command	Effect
'^'	Crashes the interpreter or browser (outputs "ERROR: SYSTEM FAILURE! 💥💥💥" in reference implementations)

Memory model

• None. There is no data storage or pointer.
• All other letters or symbols are ignored.

Example program

^^^

Result in a reference interpreter:

ERROR: SYSTEM FAILURE! 💥💥💥

> Warning: in a browser-based interpreter, this may simulate a freeze.

Reference interpreter (Python)

code = input("Enter !frjnrehrbwgyrigbyieurgbyfaerkhbvrwgtr. code> ")

for cmd in code:
    if cmd == '^':
        raise RuntimeError("ERROR: SYSTEM FAILURE! 💥💥💥")
    # all other characters ignored

Notes

• This language is 100% useless and intended purely as a joke.
• The single command '^' is a parody of "rage languages" that crash the system.
• Recommended for humorous demonstration only; do not run in critical environments.

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