The title is written in Franco Arabic, the Latin script and numbers many Arabic speakers use for dialect in chats, where 7 stands for a deep h sound. Written this way, ba7tha sa7ebtek salem circulated as a short shareable voice note rather than as a song or film line. Clips like this spread through group chats and reposts, getting saved to soundboards because the phrase alone becomes the joke. Its continued use comes from that instant recognition among friends who already know the context.