A saying used to tell someone, often a Scott Pilgrim Vs. the World fan, that you're in love with them. According to Scott, it's the L word, But according to Wallace, the L word is love.
Person 1: "Dude i'm in lesbians with you"
Person 2: "Oh lesbian? I support you"
Person 1: "no, I'm in LESBIANS with you!!!"