To wave a white flag
He waved a flag as a declaration of his departure. In question: He bowed. He gave up.
(Modern Hebrew)
Translation
Expression (Hebrew)
הֵנִיף דֶּגֶל לָבָן
Definition (Hebrew)
הֵנִיף דֶּגֶל כְּהַצְהָרָה עַל כְּנִיעָתוֹ. בְּהַשְׁאָלָה: נִכְנַע. וִתֵּר.
(הָעִבְרִית הַחֲדָשָׁה)