I once used this word in a conversation. My friend didn't know the meaning so I told her. She asked me where I learned it it. I told her that I figured it out by myself.
A metaprime example is something that IS an example of itself in a self-referential way. Metaprime examples can be words themselves, or names, or names of things, or things themselves. Metaprime examples can be ideas or objects, abstract or literal, metalanguage or existential. They can be intentional or un. Sometimes they make you laugh, and usually they make you dizzy if you think about them too long!