Maybe we should go to the horse's mouth for a definitive answer.
What does HM stand for?
HM stands for Horse's Mouth
This definition appears very rarely and is found in the following Acronym Finder categories:
- Slang/chat, popular culture
See other definitions of HM
We have 48 other meanings of HM in our Acronym Attic
- Home Maker
- Homework Diary
- Honesta Matrona (Latin: Virtuous Lady, epigraphy)
- Honorable Mention (various organizations)
- Hoochie Mama
- Hôpital Militaire
- Horace Mann (various organizations)
- Horizontal Measure
- Horizontal Multiplier (NIOSH)
- Horner Museum (Oregon State University)
Samples in periodicals archive:
Was keeping the bit up in horse's mouth to keep him going forward.
GOOD dental hygiene is important for all creatures - and that's straight from the horse's mouth.
And we got to know about it from the proverbial Horse's Mouth.
THOSE people complaining about cutbacks in spending programmes should just consider a couple of points from the horse's mouth.
People know what I'm like with refs but it was good to hear a few things from the horse's mouth, although he didn't change my mind about anything I've seen.
Tony is heavily involved in The X Factor so we can find out the tears and tantrums straight from the horse's mouth Tony - Tears and tantrums?
It's nice to get it from the horse's mouth, as was the case with Jimmy Braddock who lost his world championship to Joe Louis.