noun
idle gossip; foolish talk; yarn
Casual, often dismissive term for talk that is unreliable, exaggerated, or not to be taken seriously.
彼の話はいつも与太話だから、あまり真に受けないほうがいいよ。
His stories are always just idle gossip, so you shouldn't take them too seriously.
飲み会では与太話に花が咲
At the drinking party, we got carried away with foolish talk.
与太 (yota) is an old slang term for nonsense or idle talk, possibly from Edo-period argot. The exact origin is uncertain.