1. the feeling of being inebriated from alcohol or any mind-altering substance
2. secret and slang term for booze, or the act of getting wasted, sometimes used in order to conceal the fact from authorities.
1. I achieved a mellow and steady buzz after having some weed and hennessey.
2. I'm going to go to the liquor store and get some buzz.
3. "Where are you going?"