Loaded for bear !

Etymology

An allusion to equipping oneself with the sort of heavy weaponry suitable for hunting large game.

Adjective

loaded for bear ‎

1. (idiomatic) Thoroughly equipped, as for a demanding task or confrontation.  
2. (idiomatic) Mentally prepared for a daunting situation or confrontation.  

(I  ever could spell very well).
A Berry Mary Christmas to you all.