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dimber damber upright man
obsolete slang The leader of a band of thieves, miscreants, or gypsies. He walked through the town, this dimber damber upright man, quietly marking people as targets for his band of rogues who lurked in the shadows.
An empty sack cannot stand upright.
Prov. A poor or hungry person cannot function properly. Sit down and have something to eat before you go back to work. An empty sack can't stand upright.
sit bolt upright
to sit up straight. Tony sat bolt upright and listened to what the teacher was saying to him. After sitting bolt upright for almost an hour in that crowded airplane, I swore I would never fly again.
vertical and straight She suddenly awoke from her nightmare and sat bolt upright in bed.
Usage notes: usually used with sit and usually used after the verb, as in the example
in a position where you are sitting up with your back very straight He woke to see her sitting bolt upright beside him and wondered what was the matter.See shoot bolt
Precisely perpendicular, erect in carriage, as in She sat bolt upright in her pew. This expression was used in slightly different form by Chaucer in the late 1300s: "She was ... long as a mast and upright as a bolt" ( The Miller's Tale).
In a rigidly vertical position: sat bolt upright.