He thumbed down the communicator-button and spoke into a microphone.
Jon thumbed the tag out of his waist slot and handed it across the desk.
I had to try to stop him here, and with fear and trepidation I thumbed the reel.
He thumbed a tablet into his mouth, and presently his breathing quieted.
It was thumbed and thrumbed all to pieces from long and patient use.
Lynch's voice was already coming over it when Malone thumbed it on.
He held it to his ear and thumbed the call button insistently.
He pulled out his radiophone and thumbed the call button again.
Joe took a chair while he waited and thumbed through a fan magazine.
Turning to his mates, he thumbed at the prisoner over his shoulder.