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Running into doors for a lack of paying attention; said in context to near-invisible glass doors more often than not.
He pulled a shamsul at the mall's entrance, much to the amusement of his older brother.

Mr. Black's new in-laws were not impressed when he pulled a shamsul on his way out.
by Deep A November 14, 2016
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Jul 2 Word of the Day
Someone people turn to when they're sad who makes them feel better.
Dude, I was so unhappy about my girl, until I spoke to my serotonin donor who really helped me feel better
by jonfurstn1 November 27, 2009
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