L7

plural L7s

1. slangA square; a stuffy or uncool person.

   "You're an L7." / "A what?" he stopped in his tracks and asked. / "An L7. Put them together and you get a big old square."

   2009, Jenny Lofters, Flying Backward in the Sky, page 11

   2 more examples

   You will marvel at expressions like "That one was a pain in my chewy" and "I was an L7, a square," as well as the expressive play they use with their friends: "Oh, Miss Thang. Child, please. Bitch, it ain't all about you."

   1996, Leon Pettiway, Honey, Honey, Miss Thang: Being Black, Gay, and on the Streets

   So while my intelligent-cool students knew that they were smart, they did not wear it on their sleeves for fear of being perceived as an L7 (a square), a nerd, or a geek.

   2005, Paul Chamness Miller, Narratives from the Classroom: An Introduction to Teaching, page 77