have egg on face
have egg on (one's) face
To be suffering embarrassment as a result of some public failure or faux pas. I was so nervous that I said the wrong name during the wedding ceremony. Boy, do I have egg on my face now! The CEO really had egg on his face after he went on stage to demonstrate the new product and couldn't get it to work.
have egg on one's face
Fig. to be embarrassed by something one has done. (As if one went out in public with a dirty face.) I was completely wrong, and now I have egg on my face. She's really got egg on her face!