"... Mapmakers will often use “copyright traps,” bits of information in their maps that are purposefully wrong ..."
Very true. I once had to re-do a map for this exact reason though I'm not sure the "purposeful" fit was to get the major intersection on the page or to catch people out.
"... In Australia, the butchers have a secret language called “rechtub klat” ..."
keew txen tuo siht yrt ot gniog.