Memorize every beer term possible
IBU, HSA, MT, IRA, IIPA, LMNOP... it helps to have mnemonic devices, really. Plus, all the brewers will know you're one of them when you bust out a sentence comprised entirely of abbreviations.
Bring good beer to every party
Not for everyone, mind you. But if you’re going to bless these plebs with your presence, you should at least stay well hydrated. It’s best to bring at least two 22oz bottles with you. Or three, if you really want to get down. Just be sure to bring a cooler bag, so some scrub who wouldn't even appreciate it doesn't accidentally snag it from the fridge.