To lose all one's money, esp in a gambling game: ''It's tapping me out,'' he says
[1940s+ Gambling; perhaps fr having tapped everyone available for a loan and found none]
Pausing only to make sure of his surmise, Tom began to tap out on his wireless key the location of the hidden machine gun nest.
In the stillness we heard him tap out the ashes of his pipe upon a stone.
And now she sat down at the piano and began to tap out her scales.
Speak, prythee; how long is't since thou couldst grope the tap out?
Penny laughed aloud, and went back to her own machine to tap out an answer.
You might get lucky and tap out some pattern that spells 'Come to chow' in the Hlat's vocabulary.
tap out the holes and bolt the two legs, one on either side.
Tom walked over to the electronic decoder brain and began to tap out a message on the keyboard.
Jason straddled his body, picked the stick up, nodded to the slave who began cranking faster, and began to tap out a message.