Meanings
This idiom comes from British horse-racing circles, likely because the presumed ideal source for racing tips would be the horse rather than spectators or riders.[1]
How to pronounce "straight from the horse's mouth":
AU
Directly from the source; firsthand.
firsthand; direct; from the source.
Example Sentences
1
I heard straight from the horse's mouth that the concert is canceled.
2
We don't need to speculate about the election results; we'll hear it straight from the horse's mouth.
3
I wanted to know the truth about the scandal, so I got the information straight from the horse's mouth.
4
Lisa said she heard it straight from the horse's mouth that the company is going bankrupt.
5
I trust Mary's information because she always gets it straight from the horse's mouth.