อนุทิน 53470

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.

Example:

"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."

From: http://www.goenglish.com/PutYourFootInYourMouth.asp