The phrase "popover top" refers to a style of clothing that is designed to be worn as a top, but with a loose and relaxed fit that allows it to be easily put on or taken off by "popping over" the head. Full definition
Bow Back Red Peplum Top / Flutter Sleeve Shirt / Lace Top / Ruffle Trimmed Tie - Front Top / Ruffle Sleeve Twist Hem Tee / Blue Stripe Ruffle Sleeve / Drapey Cap Sleeve Top / Gingham Popover Top (theallthatglittersblog.com)
Blending comfort and style, this chic striped popover top is a perfect choice for your casual collection. (belk.com)
Pairing a white popover top with these rich burgundy draped pants, she adds a little bit of edge to the entire look with a black faux leather bomber jacket. (shoppingmycloset.com)