Clung to him like a scab
An expression describing intense and strong attachment to someone or something, similar to a scab, which is a severe skin affliction that does not loosen and is closely attached to the skin.
("Rabbi Chelbo said: Converts are hard for Israel like a scab on the skin" - Yevamot 115b)
Translation
Expression (Hebrew)
דָּבַק בּוֹ כְּסַפַּחַת
Definition (Hebrew)
דָּבַק בּוֹ בְּעָצְמָה. לֹא הִרְפָּה מִמֶּנּוּ וְלֹא הֵנִיחַ לוֹ (סַפַּחַת מַשְׁמָע נֶגַע חָמוּר בָּעוֹר).
("דְּאָמַר ר' חֶלְבּוֹ: קָשִׁים גֵּרִים לְיִשְׂרָאֵל כְּסַפַּחַת בָּעוֹר"- יְבָמוֹת קָט ע"ב)