There is an old German idiom for deceiving or defrauding somebody that roughly translates to "faking an X for a U". It's origin is people turning "v" into "x" o

There is an old German idiom for deceiving or defrauding somebody that roughly translates to "faking an X for a U". It's origin is people turning "v" into "x" on bar tabs or records. Given that this made it into an idiom and far outlived the use of roman numerals I assume this used to be a very relatable experience once upon a time.