diaper sniffer

名词noun

1. 1(slang, derogatory) Term of abuse.
2. 2(slang, derogatory, sometimes euphemistic, uncommon) A pedophile or child molester; a diaper sniper.
3. 3Used other than figuratively or idiomatically: see diaper,‎ sniffer (i.e. someone who sniffs diapers