Anyone who has been drinking is “sober” until he or she “cannot hold onto the ground”.

RCW 19.76.110 Refilling bottles, etc. — Forbidden. It is hereby declared to be unlawful for any person or persons hereafter, without the written consent of the owner or owners thereof, to fill with ale, porter, lager beer or soda, mineral water or other beverages, for sale or to be furnished to customers, any such casks,…