1. 
   Gertcha
   Gertcha is a London Cockney slang exclamation of disbelief.
   Found op http://www.probertencyclopaedia.com/browse/ZG.HTM
   
   
2. 
   Gertcha
   Gertcha is a London Cockney slang exclamation of disbelief.
   Found op http://www.probertencyclopaedia.com/browse/ZG.HTM
   
   
3. 
   Gertcha
   "Gertcha" is a song off the album Don`t Give a Monkey`s, which was released as a single on 20 May 1979 and entered the UK Singles Chart at #67. The song stayed in the charts for 8 weeks and peaked at number #20 on 30 June 1979. == See also == ...
   Found op http://en.wikipedia.org/wiki/Gertcha
   
   

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