1. a long, narrow sled without runners, typically made of thin boards curved upward at the front

1. to ride on a toboggan
2. to decline rapidly and sharply
Usage: informal

Examples

• The children pulled their toboggan up the snowy hill.
• We went tobogganing down the steep slope behind our house.
• The wooden toboggan could seat three people comfortably.
• Stock prices began to toboggan after the announcement.
• They spent the afternoon tobogganing in the fresh powder.
• His grades started to toboggan in the final semester.
• The toboggan’s curved front helped it glide smoothly over the snow.