frindle
n.— «The award-winning book’s star, in defiance of his dictionary-worshipping teacher, invents and spreads his own word for the common pen: Frindle.» —“In Our Schools: Master one language, invent another” by Howard Buck The Columbian (Clark County, Wash.) Nov. 22, 2004. (source: Double-Tongued Dictionary)
Further reading
A flashlight emits a steady beam of light. So what’s the flash part of that word about? Also, if you’re a nervous Nellie, you’re skittish and indecisive—both characteristics of an American politician who earned that nickname in the...
A flashlight doesn’t flash. It provides a steady beam of light. So why is it called a flashlight? The earliest versions lit up only briefly before the batteries gave out and required a recharge, so they were literally “flash lights...