Jeff Brazier has mortified his 15-year-old son Bobby by revealing his favourite sex position, during an appearance on Channel 4 show Let's Talk About Sex.
The teenager was uncomfortable as his 39-year-old father said that taking a woman "from behind" was his method of choice.
While the series has been hailed for celebrities and non-famous parents speaking openly about sex and sex education, viewers felt the pain of Bobby as he squirmed while listening to his father's revelations.
While discussing the Kama Sutra, Jeff told Bobby: ""For me, there is nothing more enjoyable than, in brackets, going from behind.
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"It's all about holding on and control, it's all technical terms and that's where we stop..."
Bobby was relieved that was as far as the conversation was going, admitting: "I'm not actually listening any more."
Unsurprisingly, viewers were equally shocked, reviled and embarrassed for the teenager, as they cruelly compared Jeff to the dad in 1999 comedy American Pie.
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One viewer commented that Bobby "looked traumatised" while another hailed Jeff's admittance about his favourite position as the 'quote of the day'.
Among the horror of watching the teen listen to Jeff's carnal antics, there were some that felt that it was important that sex was spoken about more openly.
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Away from the subject matter, the overriding factor was viewers happy that Bobby looked so much like his late mother, Jade Goody.
The Big Brother star died ten years ago, after losing her battle with cervical cancer.
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