(straight) from the horse's mouth

US /streɪt frəm ðə ˈhɔrsɪz maʊθ/
UK /streɪt frəm ðə ˈhɔrsɪz maʊθ/
"(straight) from the horse's mouth" picture
1.

from the original or a reliable source

:
I heard it straight from the horse's mouth that the company is merging.
You can trust this information; it came straight from the horse's mouth.