Before sexting there was Victorian flirting etiquette. From The Mystery of Love, Courtship and Marriage Explained by Henry J Wehman (1890). Grab your fan, gloves, handkerchief, hat, & parasol & go flirt! https://archive.org/details/TheMysteryOfLoveCourtshipAndMarriageExplained
PS: do not try all of these at once. You will not make you a super flirt. You will look deranged.