The alcoholic demon that possesses Rebeccah when she drinks too much. This alter ego gives no fucks. Berty will dance, laugh,talk to strangers and make you brush her hair, but she will steal your heart with her punny jokes. Berty will also leave behind a maroon jenky comb, which is said to represent the soul of the once innocent "Rebeccah". Berty also likes to do the cupid shuffle and sit on fully loaded pistols. Although a demon, Berty means well, but beware: Berty is like a gremlin: Do not feed or water after midnight.
Brooke: "Is that Rebeccah or Berty?"

Raeann: "She just told someone that they dropped their pocket.. definitely Berty."

Brooke: "Oh no, Berty's on the loose, no one is safe"
by Rae$ December 11, 2016
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Usually one cool motha-fucka. He is usually a dark eyed, dark haired, tanned skinned, muscular man. They are usually really sweet and chill guys but, they can kick ass when its needed and they hardly lose. A Bertis can drive the sexiest girls wild, and shows them a good time. He is very flirtatious but once in a relationship, that girl is the only one for him. If you get one, keep em.
Look at that Bertis
Bertis is just a great guy and a good friend
by jamanfued April 25, 2011
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The most amazing man you will meet. He is a complete gentleman, walking you to your door each time you go on a date no matter how long it will eventually take him to get home. Not pushy and caters to your every need. He is passionate about things he believes in and will fight for them. He is fun to be with and enjoys laughter and good company. He is kind and thoughtful. He is the guy that everyone wishes they were with. He is handsome and charming and strong both in the mind and physically. Although he can be a little insecure at times, he needs not to be because he is someone that you will surrender all of your love to wholly. His passions are, rugby, photography, politics, animal rights music and fitness. He is going to conquer the world, one step at a time! If you don't fall in love with this man then you must have some serious issues, you'd be lucky to have him in your life.
Guy walks girl home. That is such a Bertie thing to do.
by vitaweat January 22, 2011
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When something feels great, or when you are referring to a friend, it is Berti.
"Whatsup Berti?"
or
"That's Berti"
by Jiglo Svenson August 4, 2008
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Someone who brings a bucket to a festival for no reason other than shitting in it.
"I heard he did a Bertie at download"
"Such a Bert"
by Danny Bremner July 11, 2020
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To throw up/vomit/be sick.

Often but not specifically after consuming large quantities of alcohol.
i.
Person at a party:

*downs an alcoholic beverage then lurches forward with their hand over their mouth*

Everyone else in the vacinity:

"DON'T BERTIE! DON'T BERTIE!"

ii.
Person talking about a party:
"...and he drank half a bottle of straight gin, then bertied in a flowerpot."

iii.
Person who feels sick:
"Eurghh i think i'm gonna bertie."
by Rosaliiie May 7, 2009
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