A towel or piece of cloth kept handy by males, used to clean up after maturbation.
a.) Pam found Jimmy's dirty beat rag tucked under his matress.

b.) In case of 'emergencies' Jimmy liked to walk around with his beat rag in his back pocket.
by Mr. Tibb January 7, 2004
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A greasy rag or towel used for clean up after pulling your goalie. Commonly found in the cabs of heavy equipment.
All the heavy equipment operators were gunning to run the grader because they knew it had a fresh beat rag in the cab to pass the night shift.
by thegoodguy1284 April 10, 2020
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