ETL is a book trope Enemies to Lovers shortened. So instead of writing the full thing out you could just say ETL.
friend: "You guys are giving ETL vibes."
girl: "What? no we hate each other."
or
friend: "Which book trope do you like?"
boy: "Oh, I like the ETL book trope."
girl: "What? no we hate each other."
or
friend: "Which book trope do you like?"
boy: "Oh, I like the ETL book trope."
by xLKl0verx September 09, 2023