A drunk businessman screamed "this f***ing dog is going to die" before kicking his pet Staffie to death.
Matthew Benjamin cruelly called the Staffordshire bull terrier, named Diesel, "in a soft voice" to the kitchen before launching a "cowardly and vicious" attack.
He is then said to have kicked the dog "more than one hundred times", according to Wales Online.
Benjamin was arrested by Gwent Police officers at his home in Chepstow, but the dog had died by the time they arrived.
Construction business owner Benjamin appeared before Newport Magistrates' Court on Friday.
Outlining the facts of the case, prosecutor Paul Ricketts read out the housemate's testimony.
He said that Benjamin came home and called the dog 'in a soft voice' three or four times.
The witness said: "I heard Matthew and the dog go into the kitchen because I could hear two claws on the kitchen floor.
"The kitchen door was closed and there was silence for a few minutes. Then suddenly I heard Matthew scream."
He said he heard Benjamin shout 'stop pissing on the f***ing floor' before the dog began to 'scream and yelp'.
He added: "I could hear every impact against the dog's body", saying the noise was so distressing he was sick in his room.
Mr Ricketts said the man went to the kitchen door but he was unable to push it open.
The witness then said he heard Benjamin say, 'this f***ing thing is going to die'.
He told the court: "The attack felt like it lasted forever.
"I honestly believe Mathew kicked the dog more than one hundred times."
The housemate called the police and Benjamin was arrested.
He said: "It is so upsetting to think about the suffering the dog went through.
"It was a lovely dog and it was defenceless."
Benjamin, of Earlswood Road, Shirenewton, Monmouthshire, pleaded guilty to a single charge of causing unnecessary suffering to a protected animal.
Andrew Twomlow, defending, said Benjamin entered his guilty plea on the basis that Diesel was kicked six or seven times.
This was accepted by the court.
He said his client owned a business called Honeybadger Construction that employed up to 20 people prior to the incident, but he had since had to let many go. He now employs three people.
Mr Twomlow said his client had been the subject of 'public outrage' since December 4.
He said: "He has suffered a degree of vilification in the public, so much so that he has difficulty coming to Chepstow."
Mr Twomlow said his client deserved credit for his admissions to the police and his early guilty plea.
Judge David Parsons said: "In essence this was a cowardly and vicious attack on a harmless animal where you showed no empathy for its suffering."
Benjamin was handed a 17-week prison sentence and was banned from keeping any animals for life.
He is barred from appealing the disqualification order for 10 years.
He must also pay a £122 surcharge upon his release from custody.
