diaper sniffer

noun2

1. •
   (slang, offensive) A pedophile or child molester; a diaper sniper.

   • News from Thailand that a soft-fingered, doe-eyed, pastel-cardigan-wearing diaper-sniffer named John Mark Karr confessed to the murder of America's favorite dead, oversexed toddler: JonBenet Ramsey. — 2008
2. •
   (slang, offensive) Term of abuse.

   • Yeah, like an illterate diaper sniffer like you would know that! — 1996