Song meaning of Whiskey Glasses by Morgan Wallen

The lyrics of "Whiskey Glasses" by Morgan Wallen convey the emotions and struggle of overcoming heartbreak and moving on from a failed relationship. The protagonist seeks solace in alcohol, using whiskey glasses as a means to numb the pain and avoid facing the reality of their ex-partner moving on with someone new. The repetition of the lines "Poor me, pour me another drink" and "Line 'em up and knock 'em down" emphasizes the protagonist's dependence on alcohol as a coping mechanism. 
The lyrics also depict the protagonist's attempts to distance themselves from reminders of their former partner, including avoiding thinking about her, wearing a ring without her, and participating in activities they used to enjoy together. The sorrow and longing for a better view, where they don't see the ex-partner with someone new, is evident in lines like "If I'ma be single, I'ma need a double shot of that heartbreak proof" and "See the world through whiskey glasses."
Overall, the lyrics of "Whiskey Glasses" offer a raw and honest portrayal of heartbreak, the struggle to move on, and the temporary comfort found in alcohol.