Put your foot in your mouth

lflvt milʔ lo vmkvm ɛl aɪ ɛf ɛl əʊ tiː ɛm aɪ ɛl eɪ ɛl əʊ biː iːɛmeɪkeɪəʊɛm

In Hebrew לפלוט מילה לא במקום (Liflot mila lo be-makom)

This idiom means to blurt out a word in the wrong place or say something inappropriate.