He stopped short and clapped a hand to his forehead.
Marty sat up and clapped his hands to his forehead.
Larry clapped the back of his hand to his forehead theatrically.
James of Broadpath clapped a hand to his forehead.
It might not be a glamorous job, but people will always need milk-' He clapped a hand to his forehead.
He was holding both hands clapped to his forehead.
He clapped a hand to his forehead and exclaimed, "I've been hacked!"
Stile clapped the heel of one hand to his forehead.
The drill sergeant clapped a hand to his forehead.
After an hour of explanation, he clapped a hand to his forehead.