Originally Posted by
golfmad
Rats?
Apparently it came into use by some English speaking people (in both the US and the UK but mostly in the US) around 1890-1900. By people people thinking it would be funny to pretend like 'carborundum' was actually a Latin word meaning '
needing to be worn down' or (making allowances for ignorance, which is surely part of it) '
to wear down'.
Or as
johan rebel so succinctly put it, "Dog Latin".