Guess the meaning of this idiom: TO THE HILT

منذ ٥ أعوام

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I'm booked up to the hilt this week.
(Not really)
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to the hilt
As much or to the greatest degree possible; completely or utterly. They've had to borrow to the hilt to get the company off the ground.We're ready to defend our client to the hilt in court. 

to the hilt
Also, up to the hilt. Completely, to the maximum degree, as in The house was mortgaged up to the hilt. This idiom alludes to the handle ( hilt) of a sword, the only portion that remains out when the weapon is plunged all the way in. The figurative use of the term was first recorded in 1687.

Can you see the hilt of the sword in this picture?

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