Here are some examples:
* "The firefighters doused the flames with water." (meaning they poured water on the fire to put it out)
* "She doused her face with cold water to wake herself up." (meaning she poured cold water on her face)
* "The rain doused the parade." (meaning the rain made the parade participants wet)
It can also be used figuratively to mean to overwhelm or suppress something.
* "His enthusiasm was quickly doused by the bad news." (meaning the bad news made him lose his excitement)
The meaning of "doused" depends on the context in which it is used.