indicates astonishment, resignation and despise; usually used after noticing or hearing something you don't like or you don't know what to think about, to avoid commenting or giving an answer to a question
eh, meh (expression of dismissive or otherwise negative reaction, such as impatience, annoyance, suspicion, surprise, uncertainty, disappointment or disdain)
An expression of dismissal or indifference; bah · An expression of surprise; whoa
köken: Etymology tree French bahbor. German bahbor. Proto-Indo-European *bʰoder.? Proto-Slavic *ba Russian ба (ba)bor. Greek μπα (ba)bor. Esperanto ba From French bah, German bah, Russian ба (ba), and Greek μπα (ba).