Similar to Rinsed; it describes someone who has just been made to look like a fool. This can be for many reasons, such as of losing an argument, not coming up with a good comeback to an insult, losing a competitive game or generally messing up.
Its thought that its usage comes from the well-known wit of Chris Lambert, a CBBC host in the early 90's famous for his put-downs.
'Your mum's a slag!'
-No response
'Dude, that guy totally berted you'
'I lost at one touch one bounce'
'Yeah, you were berted pretty bad'
'Take one step closer and I will bert you'
'Its a fine line between looking cool and looking as if you've been berted'
When posting an embarrasing picture of friends with Bert (photoshopped) on social networks. Getting berted is usually meant as a joke from one friend to another.
Someone who got insulted by the nerdiest kid around.
The insult is usually witty/nerdy, referencing nerdy subjects, but also including a powerful put-down
The 'Bert'- At least Star Trek will last forever in peoples memories, whilst your pathetic life will wither away to an alcoholic daze of prostitution.
Guy #3 - Ohhhh! You SO got Berted!
When you are forced to leave a group against your own wishes and the group achieves success or happiness without you.
Pete best was fired form The Beatles, and replaced by Ringo Star; before the Beatles reached commercial success.
I got Pete Bested when I was cut from the team and they went on to win the championship.