Egg on (one's) face

Translation of "egg on (one's) face" into Russian

оказаться в глупом положении

After boasting about his skills, he had egg on his face when he failed the test.

После хвастовства своими навыками, он оказался в глупом положении, когда провалил тест.

To be embarrassed or look foolish, especially after making a mistake or being proven wrong.