Haste Makes Waste:
Quickly doing things results in a poor ending.
Hat Trick:
When one player scores three goals in the same hockey game. This idiom can also mean three scores in any other sport, such as 3 homeruns, 3
touchdowns, 3 soccer goals, etc.
Have an Axe to Grind:
To have a dispute with someone.
He Lost His Head:
Angry and overcome by emotions.
Head Over Heels:
Very excited and/or joyful, especially when in love.
Hell in a Handbasket:
Deteriorating and headed for complete disaster.
High Five:
Slapping palms above each others heads as celebration gesture.
High on the Hog:
Living in Luxury.
Hit The Books:
To study, especially for a test or exam.
Hit The Hay:
Go to bed or go to sleep.
Hit The Nail on the Head:
Do something exactly right or say something exactly right.
Hit The Sack:
Go to bed or go to sleep.
Hocus Pocus:
In general, a term used in magic or trickery.
Hold Your Horses:
Be patient.
Idioms can be confusing - Enjoy!