"Hinky". I learned about this word while reading Stephen King, and have loved it ever since. I use it as often as possible and get weird looks for it. Just because I actually read and expand my vocabulary...
I also like it when one of my favorite talk show hosts refers to women as "dames". It sounds more classy than most other titles for a group of women, like a repeat of the old 1940s era movies.
And then there's slang-ish words that I use, like "fash" for bother, as in, "What fashes thee, lad?" for "What's the matter, kid?" and "folken" for people, as in, "These folken enjoy pie".