dart off
"person 1: "hey, i'm just gonna dart off to the shop for a pack of smokes, want anything?"  person 2: "yeah, get us a bottle of coke
to leave for somewhere
""person 1: "hey, i'm just gonna dart off to the shop for a pack of smokes, want anything?"  person 2: "yeah, get us a bottle of coke" What is the definition of "dart off"?