Baka Ero In Japanese Means
The familiar form and the conugational tense implies that the person referenced is willfully being a jackass.
Baka ero in japanese means. The ro verb form is pretty harsh and not used often in day to day conversation. Baka 馬鹿 ばか in hiragana or バカ in katakana means fool. It s probably bakeru but my first instinct was to say that you were told that during an arg. This word baka has a long history an uncertain etymology possibly from sanskrit or classical chinese and linguistic complexities.
English words for ばか include stupidity clod bonehead and fool. In the ways i have heard it it means idiot same as baka but perhaps with more emphasis making it big idiot i m not japanese but i watch a lot of manga so i just go by context there. If i am not mistaken the yaroo is from the verb yaru which is a very familiar form of the verb suru which means to do in japanese. It s like a demand and jpn is all about understating things and subtlety.
Another form of this is baka ni dekinai which literally means cannot make fun of and is used to compliment someone or a class of people 小説家ってバカにできないね shousetsuka tte baka ni dekinai ne you gotta respect novelists. Baka ni sareru no iya desu i dislike being made fun of.