douse 1 also dowse 
(dous)
(dous)tr.v. doused, dous·ing, dous·es also dowsed or dows·ing or dows·es
1. To wet thoroughly; drench.
2. To put out (a light or fire); extinguish: doused the campfire with a bucket of water.
n.
A thorough drenching.
[From obsolete douse, to strike.]
douser n.