| Idiom | Meaning | Example | 
| hot topic | 
(See a hot topic)
 | 
 | 
| hot under the collar | 
upset, becoming angry, hot and bothered
 | 
It's only a joke. Don't get hot under the collar.
 | 
| hotdog | 
cooked wiener inside  a long bun
 | 
Two hotdogs with mustard, please. And two coffees - black.
 | 
| hotdog | 
(See a hotdog)
 | 
 | 
| hothead | 
(See a hothead)
 | 
 | 
| hotshot | 
(See a hotshot)
 | 
 | 
| hound | 
keep asking or demanding, harass, browbeat
 | 
If you'll stop hounding me, I'll go to the doctor!
 | 
| household name | 
(See a household name)
 | 
 | 
| how about that | 
that is interesting, you don't say
 | 
How about that! We ran ten kilometres!
 | 
| how are you doing | 
are you feeling fine? is life good to you?
 | 
How are you doing, Chan? I haven't seen you for awhile.
 |