1. a vehicle, especially an old car or bicycle, that is uncomfortable to ride in because it shakes or jolts a lot
Usage: informal; often humorous or derogatory
2. an early bicycle with solid tires and a rigid frame, popular in the 1870s
Usage: historical

Examples

• My grandfather's old truck was a real boneshaker—every bump in the road felt like an earthquake.
• She drove that boneshaker of a car for ten years before finally buying something reliable.
• The boneshaker bicycles of the Victorian era were notorious for being uncomfortable.
• Riding in his boneshaker down the pothole-filled street was an adventure.
• That ancient boneshaker barely made it up the hill.
• The museum had a display of vintage boneshakers from the 1870s.