It seems like you may be referencing an internet meme, a creepypasta, a children's fable with a dark twist, or possibly a line from a niche animated series or game (e.g., Popee the Performer , Don’t Hug Me I’m Scared , or certain unsettling Chinese internet folklore). The "6" might indicate a sixth installment or episode.
I notice you're asking for a deep article based on the phrase — which appears to be a mix of Mandarin Chinese ("说谎的小狗会被吃掉的" — "a lying puppy will be eaten" ) and the number 6. shuo huang de xiao gou hui bei chi diao de 6