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2.
tja
Tja means something like "Oh well". It's used in Dutch and Swedish.
Tja, die lul heeft ook een paar beuken nodig.
by JeFFJuH April 04, 2005
 
1.
tja
I don't know about the German, but in the Swedish language it is another way to say hi, used by people that know eachother, and mostly used in the teens
Tja, hur mår du? Translation...Hi, how are you
by Inga from Sweden August 24, 2006
 
3.
tja
german for oh well, well
Was schlägst du vor? -Tja, ich schlage vor, dass wir ins Kino gehen.

Translation:
What do you suggest? -Well, I suggest that we go to the movies.
by whiteboy1190 May 28, 2007