tostitoEtymologyLikely from Spanish tosta (“toast”), tostado (“toasted”), with an ending matching other brands of Frito-Lay Inc. (Doritos, Cheetos, Fritos), from Spanish frito (“fried”).nounA tortilla chip of the Tostitos brand.““Hey, the Boston Tea Party worked too,” said Dennis Martin, a Brigham Young marketing professor who helped stage a Tostito-torching party this week.”