Judg 3:24

וְה֤וּא יָצָא֙ וַעֲבָדָ֣יו בָּ֔אוּ וַיִּרְא֕וּ וְהִנֵּ֛ה דַּלְת֥וֹת הָעֲלִיָּ֖ה נְעֻל֑וֹת וַיֹּ֣אמְר֔וּ אַ֣ךְ מֵסִ֥יךְ ה֛וּא אֶת־רַגְלָ֖יו בַּחֲדַ֥ר הַמְּקֵרָֽה׃

After Ehud was gone, Eglon’s servants came in and found the doors of the upper room locked. “He must be relieving himself in the cool room,” they said.