A variation of the well known word in pop culture "touché". While "touché" is used in popular culture and general conversation — for example, in an argument or debate — to congratulate someone on a clever response to an argument, "douché" is used when the person you're arguing with or debating thinks they made a meaningful and clever response, but they really just said something that made them sound like a douchebag and didn't bolster their position at all.
You: This
Douchebag: Something else (where 'something else' just makes them sound like a douchebag)
You: Ah... douché!
Douchebag: Something else (where 'something else' just makes them sound like a douchebag)
You: Ah... douché!
by bryanwn October 23, 2009