וּמְפִבֹ֙שֶׁת֙ בֶּן־שָׁא֔וּל יָרַ֖ד לִקְרַ֣את הַמֶּ֑לֶךְ וְלֹא־עָשָׂ֨ה רַגְלָ֜יו וְלֹא־עָשָׂ֣ה שְׂפָמ֗וֹ וְאֶת־בְּגָדָיו֙ לֹ֣א כִבֵּ֔ס לְמִן־הַיּוֹם֙ לֶ֣כֶת הַמֶּ֔לֶךְ עַד־הַיּ֖וֹם אֲשֶׁר־בָּ֥א בְשָׁלֽוֹם׃
E sucedeu que, vindo ele a Jerusalém a encontrar-se com o rei, este lhe perguntou: Por que não foste comigo, Mefibosete?
Rashi on II Samuel
He had not tended to the hair [between] his legs. Denoting fixing up, the removing of the hair between his legs.