deceptive or nonsensical talk

धोखेबाज़ी या बेतुका संवाद

English Usage: His explanations were nothing but flim flam, leaving everyone confused.

Hindi Usage: उसकी व्याख्याएँ केवल फ्लिम फ्लेम थीं, सभी को भ्रमित कर दिया।