Put Hand to Head With a Cringey Groan
Puzzle 13 of Millennial Words Hard Pack
Question is: Put Hand to Head With a Cringey Groan
and the answer is: FACEPALM
Word Meaning:
FACEPALM — A gesture of bringing one or both palms to the face, with various interpretations including exasperation, chagrin, frustration, embarrassment (one's own or vicarious), etc.
Definitions from Wiktionary.