May 8th 2010, 0:45:50
"Douchebag, or simply douche, is considered to be a pejorative term. The slang usage of the term originated in the 1960s.[6] The term refers to a person, usually male, with a variety of negative qualities, specifically arrogance and engaging in obnoxious and/or irritating actions without malicious intent."
And it's not used to stop the flow, but as a cleaning tool for the inside of the vagina. However, excessive cleaning "interferes with both the vagina's normal self-cleaning and with the natural bacterial culture of the vagina, and it might spread or introduce infections"