Is my face red!

(Boy,) is my face red!

An exclamation of acute embarrassment or mortification. I can't believe I was calling my date by the wrong name all night. Boy, is my face red! I spent so long on that report, only for it to be laughed at by everyone in class. Is my face red!
See also: face
Farlex Dictionary of Idioms.

Is my face red!

see under red in the face.
See also: face
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • (Boy,) is my face red!
  • wish the ground would open up and swallow (one)
  • viola
  • voilà
  • hoo-rah
  • ah
  • Wala!
  • walla
  • Walla!
  • Wallah!