19-year-old Kieren “Flex” Billen was minding his own business and hitting a few bodybuilder poses for his YouTube channel.
In what started out as a regular posing session — complete with little black bikini — turned out to be pretty awkward as his mother suddenly burst through the door.
Watch the clip to see how the whole thing played out.
We bet he locks his door next time!
[via Instinct Mag]