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Home The Base Layer Watch What Happens When Mom Walks In On Her Teen Bodybuilder Son Flexing In A Thong
The Base Layer

Watch What Happens When Mom Walks In On Her Teen Bodybuilder Son Flexing In A Thong

19-year-old YouTube bodybuilder, Kieran “Flex” Billen, loves showing off his incredible physique to his millions of anonymous YouTube viewers.  The London teen was in the middle of filming a new “flex” video when his ‘mum’ barg...

By Edward Upton April 8, 2015 1 min read The Base Layer


19-year-old YouTube bodybuilder, Kieran “Flex” Billen, loves showing off his incredible physique to his millions of anonymous YouTube viewers. 

The London teen was in the middle of filming a new “flex” video when his ‘mum’ barged into his room, catching her son flexing in a speedo with the camera rolling.

Watch what happened next below:

 Here are a few more videos of Kieran to whet your appetite:

Edward Upton

The Base Layer

Edward Upton writes for CheapUndies with a focus on fit, style, trends, and practical picks that help you build a better rotation.

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