I was always impressed with words like NOMFWIC.
US Naval-ese makes sense once you get used to it, it has an almost-Pidgin quality where words, concepts, and common local slang are brewed together to make a new language. That, and the realization that cursing isn't something reserved for the lowly, its more of an art form in terms of quickly getting, and keeping, people's attention.
Naval-ese
sounds like it should be easy to understand, but its beauty is that its reserved for only those who can speak it.