The invention relates to a water gun, in particular to a toy water gun comprising a supply line, which is adapted to supply a pressurized liquid from a source, a nozzle arrangement for ejecting the liquid to the environment as well as a valve for controlling a flow of the liquid in a direction from the supply line to the nozzle arrangement. The water gun additionally includes a flow-smoothing device, with the valve arranged behind the flow-smoothing device with respect to the flow direction.