1. A mash-up of the words "thrifting," "crafting," and "snacking."
2. The act of eating snacks while crafting things you found while thrift store shopping that day.
Usage: "Girrrrl, we are SO gonna be thraftnacking tomorrow afternoon after those six garage sales, two antique stores and hitting up Jo-Ann Fabrics! Swiss rolls, Cheetos, and brie. Maybe some banana daquiris for potassium. We're gonna need to replenish our energy."