same as dump truck.

truck whose contents can be emptied without handling; the front end of the platform can be pneumatically raised so that the load is discharged by gravity

See Instead: Dipper

Waves that are too steep to ride owing to a steeply shelving beach

a stock that gaps down several or more points after a news event Undergroundtrader

In computer programming, a dumper is a program which copies data from one source (usually a proprietary format) to another (usually in a more easily accessible format).

a motor vehicle, and will possibly be classified as heavy goods vehicle

Slang for the anus.