- L7
- [“el “sevn]1. n. a square; a dull person.□ That guy is an L7.□ Who is that L7 in the wingtip shoes?2. mod. dull; square.□ This guy was real, like, you know, L7.□ Who is the most L7 person you know?
Dictionary of American slang and colloquial expressions. 2015.