put your foot in your mouth = say something embarrassing พูดสิ่งที่ทำให้ตนเองหรือผู้อื่นขายหน้า อับอาย
You "put your foot in your mouth" when you say something that makes a person feel embarrassed.
"Last night I was telling a joke, and I really put my foot in my mouth.
I had no idea I was talking about Rob's wife."
"I am so embarrassed. Are you sure he could hear me when I was talking in the next room?" Reply: "Yes. You really put your foot in your mouth."
Note: The word "foot" is always singular when you say "foot in your mouth".
Example: "Let's all be very careful what we say at the meeting tomorrow. I don't want anyone putting their foot in their mouth."
When you say something which makes someone feel embarrassed or causes an embarrassing situation, you have "put your foot in your mouth."