someone who keeps something that they do not really want in order to prevent anyone else from having it.

Stop being such a dog in the manger and let your sister ride your bike if you're not using it.

• a hard nut to crack
• a hard-on
• a hard row to hoe
• a has-been
• a hatchet job
• a hatchet man
• ahead of schedule
• a head of steam
• ahead of the game
• ahead of the pack
• ahead of time
• ahead of your time
• a heart of gold
• a heart of stone
• a heart-to-heart
• a heavy date
• a heavy hitter
• a heck of a
• a heck of a lot of
• a heck of a lot of something
• a heck of a someone
• a heck of a something
• a hell of a
• a hell of a lot of
• a hell of a lot of something