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

The British have a dog-in-the-manger attitude to the island, no longer needing it themselves, but wanting to deny it to others. (always before noun)

• rolling in the aisles
• roll in the hay
• roll off the tongue
• roll out
• roll out something
• roll out the red carpet
• roll out the red carpet for
• roll out the red carpet for someone
• roll over
• roll over in grave
• roll over in someone's grave
• roll over something
• roll sleeves up
• roll up sleeves
• roll up your sleeves
• roll with it
• roll with the punches
• roll your sleeves up
• Rome wasn't built in a day.
• roof caves in
• roof falls in
• roof over head
• roof over your head
• room to swing a cat
• root and branch