Multiple choice general knowledge Oh, I'm sorry. I shouldn't have said that. I guess I really put my _____ in my mouth. foot hand elbow knee Reveal answer Fill a bubble to check yourself A Correct answer Explanation The idiom 'put my foot in my mouth' means to say something embarrassing or tactless. Your foot has nothing to do with speaking, which makes this expression humorous and memorable. 'Hand,' 'elbow,' and 'knee' aren't part of this common phrase.