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The thing in stand-up pissers that stops it from reeking. Poisonous if eaten.
Those Urinal Cakes smell like flowers.
by Rock On April 27, 2003
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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3
A rare delicacy found in the waterfountains in the men's restroom. It has a very pleasent crunch and a tiggly aftertaste, although it makes your mouth a little blue afterwards.
"I'd like a urinal cake for dessert!"
"Um... sir..."
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4
Cakes commonly placed in urinals sometimes eaten by homeless people.
"Sure man lets head to the public bathrooms and eat some cake."
by Canabalooza December 16, 2002
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5
Found in the urinals of public bathrooms, most commonly used as an aiming device. Sometimes also used as a means of "payback" toward unwanted employees.
"Sometimes I like to pee in a circle around the urinal cake." OR "Get your ass in that bathroom and change out the damn urinal cakes!"
by HamDude August 02, 2006
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6
A civilian version of what is correctly called "officer candy" in the U.S. Navy.
Get with the program Seaman Recruit Smedlapp...mops are swabs...urinal cakes are officer candy!
by harry flashman July 10, 2003
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