"to carry," 1670s, of unknown origin; originally attested in Virginia, but OED discounts the popular theory of its origin in a W.African language (cf. Kikongo tota "pick up," Kimbundu tuta "carry, load," related to Swahili tuta "pile up, carry"). Related: Toted; toting. Tote bag is first recorded 1900.
Completely; unquestionably: totally his fault/ totally awesome
Uninformed; ignorant; in the dark
[1970s+ Teenagers; Clueless is a late 1930s Royal Air Force term]