Pocket vodka 

Typically a pint or half pint of cheap vodka that you keep in your back pocket to supplement your drinking at the bar.

My bar tab was 50 bucks just think how much it would have been if I didn't have pocket vodka

Pocket vodka by The Golden Cheetah August 16, 2018

Vodka Pocket

When you drink a mixed drink and hit a concentrated amount of straight alcohol.

Person 1: why is Alex’s face so scrunched up?
Person 2: I bet he hit a vodka pocket

Vodka Pocket by Willy_billy_boy November 19, 2020