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1.
The (smokeable) material left over after running used bong water through a filter and allowing to dry.
I ran out of weed and already scraped the bowl so I ended up smoking some scroad before getting some beer.
by milsorgen December 26, 2009
 
2.
when you get your nuts removed and then your empty scrotum is sewed directly to your choad and what once was two now becomes one.
Jon's scroad was so smooth that, from certain angles, it appeared to be a runway for his cock.
by kris August 31, 2003