put foot in mouth 

to blunder, to stumble

She really put foot in mouth when she called her boyfriendby he name of her ex

put foot in mouth by Amanecer January 22, 2015

put your foot in your mouth 

Saying something that makes a person feel pain or embarrassment.

I had to second-guess you for a while for putting your foot in your mouth.

put your foot in your mouth by Mr. Terrence L. Trezvant April 27, 2005

put one's foot in one's mouth 

To say something that one will regret,to make an error.

To put one's foot in one's mouth is the same as stepping in it.

put one's foot in one's mouth by Light Joker April 27, 2006