1. A person who has a creepy fetish for words
2. Someone who gets horny while reading
3. Someone who can get a boner from listening to certain men with deep, sexy voices.
1. I'm such a Word Boner that reading Harry Potter gives me an orgasm!
2. "Dude, that kid there has been reading his math text book for over an hour. Think he's a Word Boner?" "Undoubtedly bro!"
3. Morgan Freeman, Benedict Cumberbatch, Alan Rickman, all these guys give me Word Boners!