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1.
Detritus found in the dirty sheets of dudes.

See Also:

Dirt Bed Durt Bed]

noun:

1. Dirty sheets typical of dudes, hallmarked by debris such as small rocks, kitty litter, and actual dirt found in between the bottom and top sheets of his bed or resting place (can include couches and/or futons), often dragged in from walking barefoot on dirty floors. "I totally fingerblasted that girl in my dirt bed"
"I was totally fingerblasting that girl and added a bunch of vagibears to my bed dirt"
by Bottoms_Up December 23, 2009