also: べえだ
interjection
bleh; nya nya
A childish taunt said while sticking out one's tongue, similar to 'bleh' or 'nya nya' in English. Used playfully or mockingly.
See also: ベー
「べーだ、お前なんか嫌いだ!」と子供が言った。
"Bleh, I don't like you!" said the child.
負けたけど、べーだって舌を出してやった。
Even though I lost, I stuck out my tongue and went 'bleh'.