1. teeth, especially front teeth
Usage: informal
2. helicopters
Usage: informal
3. motorcycles, especially those with high handlebars
Usage: informal

Examples

• The dentist told him to take better care of his choppers.
• She flashed her pearly white choppers in a big smile.
• The rescue choppers arrived within minutes of the emergency call.
• He rode his custom chopper down the highway.
• The lumberjacks sharpened their choppers before starting work.
• Military choppers flew overhead during the training exercise.
• His choppers were perfectly straight after years of braces.