S: (v) tap, rap, knock, pink (make light, repeated taps on a surface) "he was tapping his fingers on the table impatiently"
S: (v) pink, ping, knock (sound like a car engine that is firing too early) "the car pinged when I put in low-octane gasoline"; "The car pinked when the ignition was too far retarded"
S: (v) pink (cut in a zigzag pattern with pinking shears, in sewing)
S: (v) bore, drill (make a hole, especially with a pointed power or hand tool) "don't drill here, there's a gas pipe"; "drill a hole into the wall"; "drill for oil"; "carpenter bees are boring holes into the wall"