A funny little word that you may hear your english teacher may use to imply that s/he is religious in regard to grammar. I've always taken it to mean that your grammarwill be corrected without remorse.
A grammarian is a person who believes that they have some type of mastery over the English language. Most times, they are misguided in this belief and come across as an asshole. The grammarian is related (by marriage, not blood) to the grammar nazi.
"I am a grammarian and have studied the ancient languages from Latin to Romulan, thusly, I have quite the command over the English language and a period does not go at the end of a sentence."
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)