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1.
when some one is using the urinal at a school, place of business or work and you push them forward and flush the toilet.
Guy 1: Yo, should i give him a dick wash?
Guy 2: I'll flush.
by Bersh June 05, 2007
 
2.
when a lady cleans the cheese from around a mans helmet with the tip of her tongue.
when my girl wants to go out, I just say that I'm not ready, I need to spruce up and have a dickwash.
by greeneyebrows December 10, 2009