beer angst Share definition Flag n - the feeling of a pre-hangover caused by beer, often including anger and a headache from the pack of cigarettes you just finished. "Aww, shit man. It's 3 AM, and I've got beer angst. Let's go punch somebody before we pass out." beer angst by Aleistia October 29, 2013 0 0 Get merch Get the beer angst mug. Buy Now — $32.95 See more merch