"I'm a nutarian."

So a woman I recently met informed me, clearly expecting that I knew what being a nutarian entailed. I nodded as if I did, then made a mental note to look up the term to avoid possible gaffes.

nutarian
noun
A vegetarian whose diet is based on nut products.
"nutarian." Worthless Words for the Day. Michael F. Fischer, 2005. Answers.com 17 Dec. 2005. http://www.answers.com/topic/nutarian

gaffe
also gaff
noun
1. A clumsy social error; a faux pas.
2. A blatant mistake or misjudgment.
[French, from Old French, hook.]
"gaffe." The American Heritage® Dictionary of the English Language, Fourth Edition. Houghton Mifflin Company, 2004. Answers.com 17 Dec. 2005. http://www.answers.com/topic/gaffe