A man who would often “expose himself as a party trick” was killed by his friend who thought he was being “sexually propositioned”, a court heard.

Paul Lundy, 48, was stabbed to death by 28-year-old Nathan Calder, who took exception to his “extroverted” behaviour at his home in Kidderminster on May 22 this year.

A court heard Mr Lundy was described as an “exhibitionist” who “believed he was God's gift to ladies” and would regularly expose himself in front of others.

Nathan Calder (L) stabbed Paul Lundy to death after he allegedly exposed himself (Picture: SWSN/Facebook)

Calder denied murder at Worcester Crown Court and claimed he acted in self-defence because the victim had asked him to perform a sex act on him and “manhandled him”.

But he was found unanimously guilty by a jury on Wednesday.

He was sentenced to life imprisonment and will serve a minimum of 17 years.

Jurors were told how Calder left his friend with horrific injuries after stabbing him three times with a kitchen knife at his home after a night of drinking.

Murdered Paul Lundy was described as an "exhibitionist" (Picture: Facebook)

Mr Lundy’s housemate came home and discovered him on the floor in a pool of blood in the lounge with severe facial injuries at around 10.30 pm.

Friends and family told jurors how Mr Lundy was not gay or bisexual and was “just a bit too affectionate when he had a drink.”

They also revealed in his eulogy how he was “a bit of a ladies’ man” who “wouldn’t leave his privates alone” and only wanted to “make people laugh”.

Nathan Calder claimed he stabbed Paul Lundy in self-defence (Picture: SWNS)

Sentencing, Judge Robert Juckes QC said: “I don’t hesitate to find that My Lundy did some of those acts that you suggested.

“This could have been dealt with by moving out of his way. There should have been no difficulty with it.”

Prosecutor Jonas Hankin described the attack as "focused and determined", using "forceful stabbing at the vital structure of the face and neck".

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He added: "By his own admission this went beyond what a sober person would do.”

Mr Lundy’s friend Ronald Saunders said Mr Lundy had once “undressed completely” in front him prompting him to leave because it made him “feel uncomfortable”.

Giving evidence, he described Mr Lundy as as an “extrovert” and an “exhibitionist” and added: “It wasn’t sexual. He was just too affectionate when he had a drink.”

Nathan Calder was jailed at Worcester Crown Court (Picture: Getty)

Mr Lundy’s son Lewis Hughes told police in a statement he didn’t think his dad was gay or bisexual and that exposing himself was ‘a party trick’.

The court also heard that Edith Lundy, the victim’s sister, previously told police “touching his privates and messing with himself” was a “family joke”.

Calder had a total of 24 convictions from 33 separate offences dating back to when he was a youth, including a sexual assault against a child under the age of 13.

Following the hearing, Mr Lundy’s family said in a statement: “We are as a family absolutely devastated by the loss of Paul and it has been difficult to sit through the court case listening to the details of his death and seeing his final movements.