Put Hand to Front of Head in Exasperation
Puzzle 16 of Fast Food Piece of Cake Pack
Question is: Put Hand to Front of Head in Exasperation
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.