Police who arrested a man with a knife were in for a nasty surprise when they checked his cell.
Alfred Gray decided to decorate the walls, door and intercom with his poo.
The 46-year-old, of Stapleton Road, pleaded guilty to possessing an offensive weapon and causing criminal damage in June.
He was due to be sentenced at Bristol Crown Court on August 14.
But the recorder Mr Noel Casey adjourned for a probation report to examine the options for a suspended jail term with community support.
Dominik Morton, prosecuting, said police called to East Street in Bedminster heard a commotion and saw a group of young people shouting at a man with a knife.
Officers then saw Gray holding the knife, with the blade pointing upwards, and drew a Taser weapon.
Gray dropped the knife on the second command to do so and was arrested and taken to Keynsham police centre.
Mr Morton said: "In the early hours of June 17 a detention officer monitored his cell and found the defendant had smeared excrement on the walls, door and cell intercom.
"A deep clean of the cell cost £495."
The court heard Gray had previous convictions for possessing offensive weapons and criminal damage.
Nicholas Lee, defending, said his client took medication for psychosis but had found stable accommodation which made a positive difference to his life.
Mr Lee told the court: "He says how stupid he has been."
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