smoking gun
term used in reference to an object or fact that serves as conclusive evidence of a crime or similar act, just short of being caught in flagrante delicto
Pronunciations
British English
/ˈsməʊkɪŋ ˈɡʌn/Open converterAmerican English
/smɑˈkiŋ ˈɡʌn/Open converter
These IPA transcriptions are generated from the name above. Proper names may have other pronunciations, and current converter results may differ. How transcription works