| Idiom | Meaning | Example | 
| horse feathers | 
lies, false stories, bull, a bunch of malarkey
 | 
When she told her dad she saw a ghost, he said, "Horse feathers!"
 | 
| horse of a different color | 
(See a horse of a different color)
 | 
 | 
| horse sense | 
being sensible, logical; common sense
 | 
He's got horse sense to rent a condo before he buys one.
 | 
| horse shoes up his ass [B] | 
very lucky, always winning
 | 
He's got horseshoes up his ass! He won six games of bingo!
 | 
| horse's ass [B] | 
(See a horse's ass)
 | 
 | 
| horseplay | 
just having fun, fooling around
 | 
Don't worry. The boys aren't fighting. It's just horseplay.
 | 
| hose it down/ hose it off | 
spray with water from the hose, wash down
 | 
If the rubber mat is muddy, lay it on the sidewalk and hose it off.
 | 
| hoser | 
Canadian guy, neighbor
 | 
Hey, hoser. What're you doin' in my garden?
 | 
| hot | 
angry, mad, pissed  [B]
 | 
She was really hot when you said her wig was crooked.
 | 
| hot air | 
false talk, bragging, bull, hogwash  
 | 
Steve brags about winning the marathon, but he's full of hot air.
 |