I taste a liquor never brewed Drugs and Alcohol Quotes

Note that "Tankards" is plural here. She isn't talking about a simple buzz from one or two drinks; she's talking about a night's worth of rounds.

This sounds like the speaker will be drinking through the night, but could it also mean that she will continue to enjoy nature even after the summer season is over?

There is no way that a drunk person could say this line without making a slobbery mess all over their audience.