First, "dedek jilbab" – "dedek" might be a typo or slang for "adik" (little sibling) and "jilbab" is a veil, so maybe "little sister with jilbab". Then "kocokin" – perhaps a typo or slang. Maybe "kocokan" meaning something shaken up or mixed up. "Punya ayang sebelum di sepong mentok indo18" – "punya ayang" could be "has a love/dating" (ayang is sweetheart), "sebelum di sepong" maybe "before being rejected" (sepong is slang for rejecting). "Mentok Indo18" – "mentok" could mean blocked or restricted, and "Indo18" might refer to content restricted to 18+. The last part is "make a useful feature".