1974, Guy Davenport, Tatlin!:
She jacked with authority, knowing how to slick the glair over the glans with her thumb when it began to flow, how to pace a shaftlength voluptuous stroke with a whole slide from meatus to os pubis, how to work with a loving will.
Holy shit! I learned a new word!
That may not seem like a big deal, but I’m a writer and word geek. Running across something in english that I’ve never even seen before is not a common thing at this point in my life. And, being a word geek, it’s hype as hell.
Wiktionary is the website for you then. Lots of obscure words on there added by bots from old dialect dictionaries and all kinds.