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1.
A term used by law enforcement on the east coast to describe criminals. May be spelled "shitim" "shitum"
Look at all the shitems clockin' on the corner today. Our holding cells are filled with shitems.
by Frank Castle July 03, 2006
 
2.
To defecate in your pants.
I think I shit em.
by Chunk03 June 23, 2010