After going down a rabbit hole of watching snakes drinking water, I can say this is the best one: a two-headed albino snake, with one head fighting with the other on getting some water. NEED SNEK DRINX PLS BRO.
Bonus videos: my curated list of snakes drinking water.
Cobra drinks water from a glass:
• TWO HEADED SNAKE- both heads drinking! $50,000 (YouTube / Siegelreptiles)