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1.
A low life person not compared to a average douche. Whereas you can find a regular douche at high class establishments like K-Mart or Walmart, a dollar douche can only be found at a dollar store. This is the caliber of person who warrants a title even less than a regular douche.
"What do you think of Newt Gringrich?"

"He's only a dollar douche."
by wordinventorrocksawesomeness February 19, 2012