掼纱帽

guàn shāmào

[throw away one's official's hat in a huff; resign in resentment; quit office] 旧时官员都戴乌纱帽, 因此用纱帽比喻官职。 掼纱帽, 现在常用来比喻因气愤而辞职或丢下工作甩手不干