Usage of "rap a knuckle"

We have no meanings for "rap a knuckle" in our records yet.

Usage of rap a knuckle in English

I rap a knuckle against the wood, then wait. 
 Back on murder 

Flipping the case over, he rapped a knuckle hard on the rounded bottom. 
 The Wise Man’s Fear 

He smiled again, warmly, and rapped a knuckle on the board. 
 The Wise Man’s Fear 

She entered, rapping a knuckle on the wood as she passed. 
 Anno Dracula 

I smiled up at him, rapping a knuckle on his helmeted face mask. 
 Hula Done It? 

Lewis rapped a knuckle smartly on the window. 
 Death angel 

I rapped a knuckle against her desk idly. 
 Past malice: an emma fielding mystery 

Ochoa rapped a knuckle on the Forensics print. 
 Driving Heat 

Alice rapped a knuckle on the creature's shell. 
 G'day to die: a passport to peril mystery 

Jack rapped a knuckle against the base. 
 Death angel 

Fredric rapped a knuckle against the mace. 
 Brisingr 

She rapped a knuckle on Artemis's head. 
 Artemis Fowl: The Lost Colony 

Miss Tomson rapping a knuckle. 
 A singular man 

This," he said, rapping a knuckle on the table, "has priority." And he gave Jackie his most dazzling thoughtful-but-macho smile. 
 Dexter’s Final Cut 

Then, moving with solemn care, he pointed one finger downward, made a fist, and rapped a knuckle on the surface of the tak board. 
 The Wise Man’s Fear 

"It is not like these guys," Solomon said, rapping a knuckle on a Templar-sarcophagus, "with bylaws and initiation-rites and such." 
 The system of the world 

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Meanings of rap a knuckle in English