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when u did not wash ur dick for so long it gathers dirt and it looks really nasty
wash ur dick or else u get dick dirt
-Barrack Obama
by dick the big dicked duck March 24, 2013
Smeg, smegma, the shit that builds under the foreskin when you don't wash it. Only a problem for dudes with a foreskin. Though all guys need to keep it clean.
Clint has a nasty case of dick dirt, his hoe nearly choked it was like a grilled cheese under there.
by Danobobano October 18, 2005
the underwear cheese found under the helmet of your dick
its pretty bad when your dickdirt
by sam January 10, 2004