My favorite high school English teacher, Mr. Odinero (or "Mr. O" as we called him) taught me one of my favorite words: extraneous. The brilliant way he made sure it stuck in our 10th grade minds was by writing one word on the chalkboard:B.S. (except he wrote out the actual word ;)Of course I never forgot what the word "extraneous" meant after that. He'd remind us when we did our homework or turned in an essay: cut the "extraneous" parts. The official definition of extraneous is: irrelev