What do the various beers do?

Regular beers:

• Oily Oaf Brew;
• Glyphid Slammer.

Beers with additional effects:

• Leaf Lover's Special: Removes Drunk status effect
• Backbreaker Stout: +15% Carry Movement Speed
• Dark Morkite: +20% Morkite Mined
• Pots O' Gold: x2 Gold Mined
• Red Rock Blaster: +30% Max Health
• Rocky Mountain: -1 Less Hit per Terrain
• Skull Crusher Ale: +10 Pickaxe Damage
• Slayer Stout: +50% Pickaxe Power Attack Recharge Rate
• Tunnel Rat: +Fall Damage Reduction
• Arkenstout: A harsh blizzard freezes the player, encasing them in ice.
• Blacklock Lager: The player experiences nightmarish hallucinations of ghosts.
• Blackout Stout: Increases drunkenness to max, causing the player to pass out.
• Blackreach Blonde: The player receives the Jukebox effect and starts dancing.
• Burning Love: The player catches on fire.
• Flintlocke's Delight: Explosions occur around the player, propelling them in random directions.
• Gut Wrecker: The player releases a loud burp, shaking their screen.
• Mactera Brew: Player releases a loud fart, creating a green cloud around them.
• Malt Rockbearer: The player grows in size.
• Seasoned Moonrider: The player recieves low gravity, and gains an upward boost in momentum.
• Underhill Deluxe: The player shrinks in size.
• Wormhole Special: Teleports the player to a random location (either inside the Drop Pod or outside the Space Rig.)

Source (which has much better formatting and also icons) https://deeprockgalactic.gamepedia.com/Abyss_Bar