Caught and secured in jail. (See Clou.)
I nailed him
) I hooked him, I pinned him, meaning I secured him. Isaiah (xxii. 23) says, “I will fasten him as a nail in a sure place.” However, the idea may still be, I secured him by making him pay down the earnest on The Nail.
(See Pay on the Nail,
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894