the dust often left around the outside of one's rectum if they do not wipe their asshole well enough. Usually gets uncomfortable when you get swass or swamp ass and creates a deadly chemical reaction.
Holy shit, this spic dust is killin' me!
Jesus man why don't you clean that spic dust off of your boxers!
Jesus man why don't you clean that spic dust off of your boxers!
by wathoggggggg March 24, 2009
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