From Wiktionary, the free dictionary
do jaja (Cyrillic spelling до јаја)
- awesome, great, kickass
Taj film je do jaja.- This movie is awesome.
do jaja (Cyrillic spelling до јаја)
- Used other than figuratively or idiomatically: see do, jaje.
- (slang) awesomely
- (slang) completely, to the full