Take another drink if your attack connects, but is repelled or drained.
Drink a whole bottle of whiskey if the interface alerted you to the enemy's elemental affinities and you did it anyway.
If surprised and wiped by a common, weak enemy that did nothing but spam a party wide attack you had a weakness to, never getting a turn, take a drink as usual, then as many drinks as levels you had an advantage over said enemy.
Take a drink of communion wine every time you fight God as a Final Boss.
Take a drink of something that's white-colored every time Mara makes an innuendo.
Erotically drink a bottle of said white drink every time you fuse Mara.
Take a drink every time you get ambushed and killed without getting a chance to strike back.