I didnt find these two words in dictionary:

gisganiyeahhh and gidiyeah

I´m guessing its an admixture of Turkish and English because it has "yeah" in it? Are these current colloquial terms post 2010´s?

Ekonomi çok iyi gidiyeah

Evrupa bizi gisganiyeah

Hi,

These are regional dialect and are not good Turkish.

Ekonomi çok iyi gidiyeah = Ekonomi çok iyi gidiyor. = The economy is going very well.

Evrupa bizi gisganiyeah = Avrupa bizi kıskanıyor. = Europe is jealous of us.

These are jokes. One or two years ago (maybe more), an old man who likes ruling party said these sentences. You can find his video on youtube.