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A bertwin can be defined as someone who either likes to chomp on tulips, or has a handlebar mustache and a pink lycra catsuit.
dude 1 "that guy is so bertwin"

dude 2 "what you mean the guy wearing a pink lycra catsuit with the handlebar mustache who's eating those tulips?"

dude 1 "yeah"
bertwin by Anonymous September 10, 2003
Related Words
1. dutch pervert
2. dutch ass spelonker
3. dutch rim job lover
bertwin, stop sniffing on my arse !!!
bertwin by Anonymous August 20, 2003
bertwin by Anonymous September 8, 2003
to be a 'bertwin' is to be the only normal d00d here
<Bertwin> Im the only normal d00d here!
bertwin by Anonymous September 8, 2003
bertwin by Anonymous August 21, 2003
Bertina: German for "bright, shining", and that's exactly what she is!

The sweetest, awesomest, friendliest girl you could ever know. Often so amazing that it stupifies you. Always makes impartial judgements and tries to be fair to everyone. Knows when to be responsible, and gives more than she receives. May be a little on the short side, with bright eyes and a tendency to be quiet. When you know a Bertina, your life will have a bit more light. Always has interesting conversation topics and very creative. Sacrifices herself for good work and for those that she treasures. A Bertina is a good and loyal friend you will remember forever and ever~

May be called Bert, Tina, Birdy, or Tuna. Will take almost every nickname graciously, too!
Person 1 : Do you remember a person called Bertina?
Person 2 : That awesome girl?
Person 1 : Exactly!
Bertina by soralaaa October 13, 2010