related to excessive drinking
• (a.) Of or pertaining to drinking.
Po'ta·to·ry adjective [ Latin potatorius , from potare to drink.] Of or pertaining to drinking. Ld. Lytton. 
potatory 1. Pertaining to or given to drinking; for example, 'She was an expert in the potatory pleasures of French and California wines.' 2. Relating to or participating in drinking.