1. An adjective used to explain things in a quick simple way that unlocks a mental set of ideas relating to the September eleventh terrorist attacks.
2. A racial slur against any type of Muslim of Middle Eastern descent.
Used in Family Guy in the episode "Tales from a Third Grade Nothing" when Peter and a Middle Eastern child compete in a Spelling Bee:
Tom Tucker: "Our next competitors are Peter Griffin and Omar Majah-resahh-- something September eleventhy."
It was a September eleventhy kind of ordeal when all the media outlets focused on Tiger Woods' sex scandal.
After seeing a September eleventhy kind of guy board the plane, I felt extremely nervous.