The Melbourne mother of a man who died after injecting his scrotum with silicone, has confronted his US 'bondage master' in an emotionally charged exchange.

In a dramatic episode of The Project on Tuesday, Linda Chapman confronted 'master' Dylan Hafertepen, who she claimed coerced her son into injecting himself.

Ms Chapman appeared visibly shaken by her meeting with Mr Hafertepen as she blames him for her son's death and tells him to get out of her house.

Describing Mr Chapman's (left) relationship with Mr Hafertepen (right), Ms Chapman claimed the pair were in a relationship

Linda Chapman (pictured), the Melbourne mother of a man who died after injecting his scrotum with silicone, has confronted his US 'bondage master'

'What sort of person injects into their balls... what sort of person does that?' she said, fighting back tears.

'Someone who feels so badly about themselves, someone who was vulnerable, who just wanted your love at any cost … and the cost of his life.'

Jack Chapman, 28, who went by the name 'Pup Tank', died from 'silicone embolism syndrome' last month after he injected the liquid substance into his scrotum.

He was part of a 'cult' scene in Seattle, fronted by Mr Hafertepen who required his followers to have engorged scrotums alongside other physical attributes.

Ms Chapman said she didn't find out about her son's illness until the day after he died.

'I didn't know he was in hospital, I didn't know he was in an induced coma, I never got to hold him, I never got to hug him. I never got to say goodybye,' she said.

Describing her son's relationship with Mr Hafertepen, Ms Chapman claimed the pair were in a relationship and said her son was was 'devoted' to Mr Hafertepen.

Mr Chapman (left and right), who went by the name 'Pup Tank', died from 'silicone embolism syndrome' last month after he injected the liquid substance into his scrotum

'It was like some sort of clan, family, like a cult,' she said.

'And to prove their devotion to him they had to change their bodies.'

According to The Stranger, Mr Chapman was just one of many 'pups' linked with Mr Hafertepen in the 'polamorous, self-made family'.

Like other dominance and submissions groups, the pups all cater to the master's needs by performing submissive acts of an 'obedient puppy' to win his affection.

In many of the images, Mr Hafertepen (left) and the pups - including Mr Chapman (right) - are seen with engorged testicles the size that squashed into skimpy tight outfits

Widely known on Instagram as Noodles and Beef, Mr Hafertepen (centre) regularly posts photos of his pups, which are essentially hairy and muscular men that resemble him

Widely known on Instagram as Noodles and Beef, Mr Hafertepen regularly posts photos of his pups, many of who are hairy, muscular men

Mr Hafertepen and his pups often share photos of themselves on Instagram or Tumblr, where they are shirtless, in jockstraps and harnesses, or naked.

In many of the images, the pups - including Mr Chapman - are seen with engorged testicles that are squashed into skimpy tight outfits.

It is also understood that three weeks prior to his death, Jack had allegedly changed his will, leaving his $200,000 inheritance to Mr Hafertepen.

Mr Hafertepen had flown from the US to Australia to deliver Jack's ashes back to his family.