Meaning Heard from the authoritative source.
Usage Worldwide.
Example
- There's going to be an election in May. My sister is the Prime Ministers secretary so I got that straight from the horses mouth.
Pronunciation
Idiom
Straight from the horses mouth
What does "Straight from the horses mouth" mean?
Heard from the authoritative source.
Straight from the horses mouth
Uncertain origin, probably 20th century USA.