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be as stiff as a ramrod
To have very erect posture. I've never seen Olivia slouch—she's always as stiff as a ramrod.
Having a very erect posture, typically accompanied by a serious or formal demeanor. He sat ramrod straight at the table, glowering at me throughout the meal. She's always ramrod straight during class, studiously taking notes.
(as) straight as a ramrod
Having a very erect posture, typically accompanied by a serious or formal demeanor. He sat as straight as a ramrod at the table, glowering at me throughout the meal. She's always straight as a ramrod during class, studiously taking notes.
(as) stiff as a ramrod
Very straight, rigid, or inflexible. Used to describe someone's physical posture or demeanor. The whole class sat in their chairs as stiff as ramrods during the principal's lecture. He stood as stiff as a ramrod after his name was called, too nervous to move.
(as) ˌstraight as a ˈramrod(of a person) with a very straight back and looking serious and formal: As she walked in she could feel the tension in the room, with her mother sitting ramrod straight in her chair.
A ramrod is a long straight piece of iron used in the past to push explosive into a gun.
tv. to lead something; to act as the driving force behind something. Who is going to ramrod this project?