1. A person who is extremely dirty, raggedy and usually smelly. They are mostly avoided by society because they are too disgusting. Also, because they are outcasts they form factions and roam the streets.
"Hey, I think i smell something..."
"Oh shit, it's the dirtbombs! Run!"
by SkullKingGuy June 9, 2009
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A woman who doesn't clean her vaginal area or one who loves sperm on her face and in her mouth.
"I busted one in that dirtbomb last night and now my nuts itch."

"Your girl is such a dirtbomb. She can't go to the store without running into ten guys she screwed."
by Mack Dougal May 30, 2008
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