Come try the next generation of Jisho at beta.jisho.org!

Denshi Jisho — Online Japanese dictionary

馬鹿野郎 ばかやろう idiot!
Interjection, Usually written using kana alone, Colloquialism, Idiomatic expression 

You can also

Look up kanji details for 馬鹿野郎.

Try a Yahoo Jisho search for 馬鹿野郎 .
Try a Goo Jisho search for 馬鹿野郎 .
Try a Google search for 馬鹿野郎 .